二年级口算

二年级口算 23+54-26= 72-34+56= 36×3= 72?9= 29+32= 16,2×7, 78?9= 1×0= 5×7= 3×8×8, 2?1,0, 55-37= 4-2= 9×5×5, 95?10= 25?6= 98-56-23= 6?2,2, 96,2×4, 88-64= 11+23+34= 19，6×6, 5×6，82, 28?8= 9×42= 5×70?10, 25?5×9, 5×72= 5+1= 4×7×7, 80，5×7, 1+2+3= 66-42= 3×6×8 72,25?5, 7×8-24= 99×11= 4×3,0, 0×4，62, 51-15= 45?10= 43+17= 92-36= 23+18+9= 45+72= 8×6= 15+62= 67-28+11= 11-6-2= 11-4= 72+18-36= 42，39= 7×6-42= 11+9= 88-55-32= 4×8= 55-32= 70+3= 42+71-35= 0×10= 88?11= 90-40= 85?9= 65-26+17 23+54-23= 41-10+60= 0×9= 88?11= 11×6-55= 96-6 ×8= 33-19= 24×5?7= 10-5+7= 12-7= 75-16+21= 4-2+81= 100-28= 29+42-7= 60?10= 76-54+13= 7×6= 1×1+1= 36?7= 4×5+90= 81?9= 2×7+3= 83+9-33= 5+2-3 22，50, 20，48, 33，26, 43，40, 55，41, 23，25, 38,23, 86,54, 98,22, 59,36, 70,20, 72,22, ，29, 28，54, 31，29, 53 16，56, 63，28, 76，15, 47，19, 29，12, 70,23, 92,28, 59,26, 65,39, ,57, 93,45, 83,39, 65 39，42, 51，35, 68，15, 9×2, 6×3, 3×5, 4×9, 5×7, 5×8, 28?4, 12?6, 45?5, 18?2, 81?9, 56?7, 四、在?里填上合适的数。(3分) ???×?,24 ?×?，?,21 五、想一想。(3分) 已知:?，?,15，?,?,1。 那么?,( )，?,( )。 16，28，39, 27，12，48, 51，19，14, 83,45,26, 59,22,19, 76,15,27, 81,76，25, 62，28,65, 45，65, 24，52,45, 73, 86,6×5, 9×5,39, 7×7，26, 56，35?5, 24?6，57, 65,32?4, 三、脱式计算。(10×2,20分) 63,49?7 (42,37)×5 , , , , 8×(75,69) 26，48,57 , , , , 42，9×4 75,(35，25) , , , , 16，(35,29) 6×4，48 , , , , 52,72?8 7×(58,49) , , , , 54，45, 7，70, 66,33, 76,34, 88,44, 55，34, 93,93, 5，40, 56，0, 86，2, 24，35, 35—35，25, 9，89, 89,58，30, 30，56, 47，3, 85,8, 46,7, 44,9, 75，8, 60,40, 18，3,21 50，25, 63,6, 39,7, 48，4, 43，8, 18，6, 8，56, 33，42, 16，40, 46,34, 2，89, 39,( ),29 70，8, ( )，26,26 8，27, ( ),56,16 58,23, 33,( )，23 69,28, 35，60,52,3×558,30, , 37，9, 80,3, 30，19, 30，49, 35，8, 6×3, 99,4, 36+27, 23，8, 17+83, 4×3, 53+35, 7，55, 28+28, 3×1, 65+27, 6×2, 14+46, 4×6, 39+42, 34,6, 36+18, 5×5, 25-13, 4×2, 51-24, 4×5, 30-12, 46,6, 78-61, 6，5, 87-44, 60,7, 35,( ) ，21 6×5, 24，13,24, 67,9, 19，24,19, 18，79, 44，55, 2×5，30, 43,22= 60,15，7, 74,50= 2，6，13, 6×1= 5×6,6, 10+46= 24，7,8, 11+44= 6×6,9, 39,7= 5×2，19, 54+46= 67+21, 6×5= 23,5= 64,3= 3×6= 5+48= 36 +40= 14+20= 42,3= 23,15= 1×8= 6×6= 58,5= 53,9= 53,9= 6+45= 3×9= 7×9= 2+74= 13,7= 6 0+38= 9×9= 8×2= 67+21, 20,7= 36+27, 2×6= 17+83, 9×4= 65+27, 5+55= 93-35, 18 + 6= 90-48, 66 +4= 14+46, 14+9= 39+42, 13,6= 36+18, 15+45= 25-13, 72+13= 51-24, 51+46= 53+35, 1×5= 77-18, 97,50= 28+28, 65,7= 30-12, 6+36= 23+76= 48-11= 46+11= 12，16, 47-3= 29,17, 82-70= 33，22, 34+14= 23，40, 67+33= 15，24, 36+44= 23，15, 91-9= 37，41, 57-35= 29,13, 56-38= 38,13, 85-51= 85,24, 26-18= 88,22, 95-19= 37，48, 45-11= 43，15, 75-26= 86，12, 48-36= 70，23, 65-9= 30,12, 98-10= 72,27, 31-25= 66,24, 83-17= 39,22, 40-30= 85,19, 53-17= 26+43= 29-18= 92-17= 76-59= 34+49= 83-74= 55-41= 59-28= 38-37= 98-38= 80-75= 28-19= 42-12= 88-14= 97-62= 63-15= 61-6= 56-10= 96-16= 54-28= 82-58= 89-39= 84-27= 50-18= 79-43= 31-15= 57-49= 67-39= 79-58= 54-25= 97-23= 25-13= 83-30= 44-16= 30-7= 53-20= 91-32= 95-59= 72-27= 88-64= 22-19= 80-40= 34-24= 44-20= 90-29= 76-49= 39-15= 77-34= 73-60= 78-67= 70-45= 93-26= 99-76= 72-69= 86-44= 99-35= 78-61, 26+63= 64-56, 84-78= 87-44, 27+56= 43,22= 94-84= 74,50= 70-36= 6×1= 41+35= 10+46= 29-12= 11+44= 37-27= 7= 8+47= 39, 54+46= 91-90= 6×5= 33-28= 23,5= 47+32= 3×6= 50-15= 36 + 40= 59-14= 42,13= 69-49= 88-10= 11+36= 88-10= 18+80= 91-9= 96-32= 38-5= 10+27= 79-53= 32-11= 72-48= 28+50= 32+49= 41+18= 79-28= 83-60= 89-14= 42+22= 62-18= 80-25= 37+48= 75-72= 34+57= 87-77= 43+31= 43+41= -20= 31 59+31= 39+23= 26-13= 25-22= 98-23= 89-52= 60+26= 39-18= 97-49= -50= 66 3+97= -12= 81 95+5= 91-51= 77-63= 27+40= 29+43= 67-41= 2+96= 69+16= 90-34= 63-19= 42+37= 61-7= 46+37= 42+46= 83+3= 71+3= 69-45= 42+26= 71-14= 70-54= 30+66= 58-17= 36+44= 39+56= 35+33= 59+38= 6+73= 90-84= 48-48= 70-17= 17+41= 21+43= 93-33= 59-40= 86-44= 55-41= 59-28= 38-37= 98-38= 80-75= 28-19= 42-12= 88-14= 97-62= 63-15= 61-6= 56-10= 96-16= 54-28= -58= 89-39= 82 84-27= 50-18= 79-43= 31-15= 57-49= 67-39= 79-58= 54-25= 97-23= 25-13= 83-30= 44-16= 30-7= 53-20= 91-32= 95-59= 72-27= 88-64= 22-19= 80-40= 34-24= 44-20= 90-29= 76-49= 39-15= 77-34= 73-60= 78-67= 70-45= 93-26= 99-76= 72-69= 99-35= 29,7, 86-48= 33，27, 97-13= 23，49, 54-44= 28-19= 52-42= 88-14= 23-9= 63-15= 33-5= 56-10= 49-43= 61-17= -11= 42+46= 47 26-18= 26+43= 52-48= 34+49= 71-65= 46-39= 98-51= 94-23= 25-12= 58-40= 59-15= 94-50= 40-21= 3+24= 87-17= 69-34= 92-29= 48+46+4= 81-36= 41+29= 65-57= 38+36= 74-56= 3+22+68= 85-65= 62+12= 51-26= 78-28= 95-52= 73+9+16= 12，6, 36+31= 66-41= 39+29+19= 61+2+18= 51+29= 35-17= 69+12= 75-34= 33+29+19= 39+37+3= 52+35-61= 72-19= 44+17+33= 69-32 67-64= 2+39+16= 67-34= -55= 67+17+3= 75 71-43= 43+17= 81+1+6= 90-46= 12+59= 8+26+34= 56+25= 44+17= 39+18+2= 33-13= 66-39= 31+25+35= 44+29= 80-46= 45+22+19= 63+19= 82-48= 29+16+36= 32-18= 35+29= 13+5+35= 68-22= 69-39= 46+17+13= 69+16= 90-65= 63+17+9= 80-66= 49-22= 39+27+3= 43+29= 72-17= 95-66= 29+28+39= 36+29+16= 83-35= 60-31= 56-49= 57+18= 27+35+28= 73+26+4= 94-39= 57+26= 54-15= 82-17= 34+29+18= 45+16+29= 74- 39= 50-29= 70-24= 74-65= 45+ +39= 32+23+39= 80-46= 92-27= 72-52= 76-38= 38+36+19= 46+25+5= 68+17= 54+29= 49+37= 80-28= 39+37+19= 29+36+24= 81-28= 59+25= 65-16= 51+39= 39+16+19= 36+13+27= 56+29= 34+33= 53+29= 17+49= 53+19+13= 46+53+7= 36+3= 85-39= 50-31= 56+26= 45+27+3= 9×9= 51-48= 72?9= 45+5= 3×4?2= 1?1= 36?4= 5×5= 5?5= 72?8= 56+41= 9?9= 56?7= 24?8= 16?2= 14?7= 42?6= 6?1= 18?2= 15?3= 5×1= 3×6?2= 45-39= 4?2= 3×6?3= 6×2= 24?6= 6?2= 56?7= 10?5= 36?6= 70–52= 24?3= 49?7= 4×5= 10?2= 27?3= 54?6= 8?4= 20?4= 56?8= 4×9?6= 36?9= 21?3= 3×6?6= 3×6= 45?5= 9?3= 6?6= 90-45= 12?6= 24?4= 1×4= 15?5= 18?6= 27?9= 1×8= 2×7= 24?8= 9?9= 36?6= 27?9= 48?6= 5×7= 4×6?8= 18?9= 54?6= 8×3= 7?7= 81?9?3= 5?1= 72?9= 1×6= 81?9= 56?8= 9?1= 21?7= 18?9= 28?7= 1×1= 7×3= 42?6= 35?7= 24?8= 2×3?6= 36?4= 42?7= 63?7= 45?9= 19?2×4= 30?6= 2×5= 49?7= 54?6= 9×2= 2×8= 56?7= 20?4= 64?8= 4×7= 24?6= 49?7= 63?7= 10?2= 8×5-8= 30?6= 4×3= 3×7= 16?8= 3×8+40= 72?8= 45?9= 9×4= 16?2?4= 5×6= 42?6= 6×2= 1×9= 32?8= 54?9= 1×5= 6×3= 48?8= 3×1= 2×7= 9×6= 4×8= 6×4= 2×6?4= 4×4= 7×6= 6×5= 12?2= 27?9×7= 4×9= 8×1= 12?4= 54?6= 5×8= 7?1= 6?3= 8×8= 7×9= 63?7= 63?7= 8×9= 32?8= 8×5= 40?8×5= 40?8= 2?1= 9×3= 5×3= 54?9×3= 2×6= 6×9= 64?8= 30?6= 3×3= 7×3= 5×4= 9×9= 3×2= 16?4= 16?8= 7×7= 23+17= 28?7= 40?8= 5×7= 6×6= 9×8= 63?9×4= 18?3= 7×4= 8?1= 9?1= 1×6×8= 7×8= 9?9= 24?6= 16?2= 7×5= 71-68= 24?3= 6?1= 15?3= 81?9= 3×6= 9×3= 25+41= 45+45= 56?7×6= 5×9= 14?2= 66+26= 35?7= 5×5+52= 63+24= 72?8= 9×2= 9×8= 36?6= 52+35= 9×5= 8?4= 35?7= 14?2= 27?3= 6×2= 4?4= 6?2= 49?7= 56?8×9= 36?9= 10?2= 42?7= 54?6×4= 27?9= 12?3= 20?4= 5×9= 20?4= 3×6= 30?6= 4×8= 15?5= 75-64= 49?7= 2×1= 8?8= 9×4= 32?4= 9?3= -62= 9×7= 85 42?6×6= 20?5= 24?4= 6×5= 40?5?2= 18?9= 16?8= 9×9= 72?9= 50+40= 2×2= 21?3= 30?6= 5×8= 14?2= 28?7= 7×8= 5×4= 35?5= 24?8= 5×6+41= 6×7= 80-46= 35?5= 10?5= 4×9?6= 42?6= 21?7= 7×2= 3×8= 8?2= 18?2= 4×8= 65+26= 5×6= 30?5= 36?9= 18?3= 5×2= 6×4= 48?6= 54?6?3 8?8= 42+36= 8?1?4= 27?3= 25?5= 3×4= 63?9= 27?9×9= 28?4= 5?1= 5×5= 4×3= 81?9= 15?3= 3×6= 18?2= 25+41= 8×6= 14?7= 4?2= 4×3= 6×2= 90-65= 6?2= 4×5= 42?6= 41+25= 64?8×8= 4×7= 9×2= 35?7= 8?4= 4×9= 49?7= 36+24= 45-6= 12?2= 10?2= 78-19= 3×6= 3×8= 9?3= 12?4+9= 8×6= 1?1= 4?1= 9×9+12= 5×5= 72?8= 72?9= 81?9= 4×5= 36?4= 8×2= 18?9= 45?5= 27?9= 39+45= 30?6= 40?5= 42?7= 8×7= 10?5= 16?8= 36+42= 4×2= 21?3= 18?2?3= 9×5= 4×2= 14?2= 48?6×4= 4×6= 35?5= 21?7= 15?5= 3×8= 21?3= 8×4= 8?2= 24?4= 4×1= 8×7= 18?3= 16?2= 8×9= 4×8+52= 28?4= 24?6= 9×1= 3×7= 8?1×8= 8?8= 3×6= 32?4= 28?7= 3×5= 24?8= 6?3= 3×9= 20?5= 3×9= 4×1= 63?9= 4×9= 12?3= 25?5×8= 4×9= 81?9= 6×5= 5×7-20= 30?5= 6×6= 25+41= 14?7= 60?6，23, 6?6= 35，0×1, 63+24= 9×9,25, 42?7= 12?2×6, 5×2= 69,4×0, 56?7= 79，6，23, 3×7= 5×8,6, 12?2= 94，5?1, 4×9+40= 40?5,4, 36,8,17, 80?8,2, 22，0×3, 24?6,3, 7×9,1, 56?7,7, 5，12?3, 99，1×5, 44，32,2, 30?3×7, 18?2×3, 4?1×3, 1×2，29, 45?9,4, 80，0×6, 54,35,4, 78，28?4, 76，27?9, 33，19，42, 29，4×7, 49?7×7, 16?4×4, 13,12?6, 95，7×6, 58，6×3, 95，9?3, 137,8×6, 1×8，83, 47，14?2, 53，39,2, 0×5，58, 16,6,2, 9×1×1, 40?5，82, 61,50,7, 2?1×6, 8×27?9, 76，92,40, 59，82,0, 9×8×4, 16?2×4, 77，79，57, 62，80,79, 8，40，18, 14?7×9, 96,16?8, 76,39,10, 92,24，67, 65,40,2, 4×6×1, 8×7?1, 0×14?2, 48?8,3, 90，18?3, 35,4×0, 21?7,0, 4×1，15, 28?4×4, 71，7×7, 75，7×2, 5,36?9, 53,17，46, 8?8，13, 96，31,97, 60，71，65, 2，81,62, 99,8，81, 97,0×8, 46,24,7, 36?6,1, 97，19，88, 101,2×5, 39,32,3, 7×1×9, 4×5×2, 1×1，99, 51,6,10, 92，80,10, 60,11,40, 10,2?2, 79,9×8, 51,39,5, 1?1，52, 72?8×6, 87，8×1, 32，96,33, 8?8，16, 2×7,0, 28?7,2, 89，93,26, 30?5，58, 66，14，79, 52，6×0, 22,21，43, 62，86，70, 4×14?7, 30?10，65, 58,6,8, 136,7×7, 66,9×4, 77,81?9, 1×6,4, 92,37,41, 42?7,1, 31，9×8, 20，21?7, 14，5×7, 6?2，20, 3×7，20, 42，4×6, 210?7?3, 192?6?8, 16，76,54, 12,8，59, 98,39，47, 28，0×2, 12?3?1, 9×9×6, 49，25，81, 65,3×9, 27，91,42, 89,16,5, 113,5×3, 9×0,0, 50?5,4, 3×5，33, 68，1×9, 37，15?3, 83,8,9, 69,56，39, 35?5,2, 5×3,6, 1×9?9, 80?5?4, 19,1×5, 58，0×1, 61,41,18, 159,8×9, 21，7×8, 43，78,76, 1×30?6, 5×9×5, 36，0×5, 80?2?8, 72?6?4, 50,10?5, 30，69，53, 74,38,32, 47,16,22, 6×8，27, 99，35，31, 6?3,0, 51，80，84, 3×8×5, 24，3×8, 68,20?2, 53，93,13, 0×14?7, 20，46，62, 34,0×6, 15,12，68, 4×9×4, 24,1×8, 48,6?3, 79,46,27, 1×5×8, 41,4×7, 61,20,36, 8×4，41, 8×0，49, 3×1，67, 0×6，32, 126,5×6, 48?6,0, 32?8×8, 80，24,66, 7?1，29, 4?4,0, 97，52,57, 4×8，16, 1?1,0, 9×6= 95,6×7, 81?9= 70+900= 24?8,2, 295+306= 40?10,2, 42?6= 13，16,24, 120-60= 90?10?9, 283+69= 118,7×3, -40= 140 2×8,8, 80+600= 27，4×5, 283+69= 705-199= 60+600= 150-90= 120-60= 820-20= 9×9= 70+900= 403-128= 283-83= 40+300= 695-407= 600-239= 60+600= 180-90= 800-500= 40+300= 60+600= 42?6= 1000-400= 820-20= 498-307= 80+70= 295+306= 704+196= 403-128= 1000-400= 1000-700= 498-307= 403+508= 403-128= 599+297= 80+600= 60+600= 1000-400= 600-239= 96,5×8, 80+70= 12,3×2, 60+600= 5×4，47, 300-110= 58,30，65, 120-60= 38,11,6, 295+306= 1×80?8, 40+300= 40?4,3, 180-90= 4×8,16, 9×9= 40，42,31, 520-120= 700-260= 30?10，79, 81?9= 84,63，0, 283-83= 28，7×7, 180-90= 24,13，38, 520-120= 84，16，5, 42?6= 7×5,9, 7，20，7, 10,14?2, 10?2，63, 7×5×8, 30?10，21, 0×1，71, 48,43,0, 35，0×6, 18，35，94, 109,40?4, 60?10,0, 2，95，79, 10，40,9, 92，7,97, 10?2，60, 61,3×6, 22,3×7, 14，51,4, 42，73，38, 3×70?10, 49?7，52, 40?10,1, 4×0，50, 81,5×2, 8?8,0, 69，12，46, 9×8，61, 3×4,9, 54,6×8, 78,20，63, 72?8×0, 30?6，26, 35，9×3, 22，71，26, 70?10×7, 9×0×7, 9×1，0, 69，69，74, 24?4,4, 120?3?8, 97,89，33, 65，7×3, 72?8?3, 1×6×6, 3?3×5, 57,33，45, 28，5×1, 64?8,0, 9×8，68, 6×6×0, 35，21，23, 40，2×3, 84，60?10, 23，82，92, 13，40，87, 76，21?3, 30?3，42, 4，8×6, 42,4?1, 43，30?10, 83,13,3, 71,7?1, 46,3，20, 50?5，72, 89，12?2, 57，78，16, 3×6,5, 94，7×5, 27,3×2, 8?1，77, 52，1×4, 91,12，34, 41,3×4, 78，8×7, 92，49，82, 40?8,4, 90,8×1, 42?6,2, 95，13，50, 65,1，25, 34，40?4, 2×5×3, 1×0，52, 64，66，3, 53，90?9, 180?10?3, 2×8×3, 98，32，44, 79，5×2, 30?10×9, 2×9×2, 33，2×4, 0×30?5, 8?8,0, 7×0,0, 87,42，75, 23，53，34, 80，50,1, 7×9，28, 89,1,31, 60?10×4, 5×3，13, 73,62,7, 2×5×7, 4×4,11, 6?6×0, 91，97,69, 51，69,94, 6,4?2, 93,9，46, 7×0，34, 70，2，3, 61,20，57, 73,38,31, 1×7，16, 2×2×2, 1×27?3, 86,73，62, 87,6×1, 96，59，16, 65，6?3, 16?8,1, 120?5?6, 85,9×9, 0×3×0, 7×4,7, 70?10×9, 67,53，6, 54,46,2, 98，25，32, 180?10?3, 55,42，78, 98，32，44, 5×30?3, 30?10×9, 18,1×5, 33，2×4, 41，2×4, 8?8,0, 8×2，52, 87,42，75, 5×63?9, 80，50,1, 1×1,0, 89,1,31, 9×0×8, 53，60,85, 4×2,0, 90，41，2, 80?8?1, 40,10，11, 0×2×9, 8，99，31, 5?5，34, 70?7?10, 66，6×7, 67,4,56, 63，91，20, 58，20?4, 21,3，6, 27?3?3, 24，20?5, 60，93，42, 9×1×4, 105?7?3, 8×2×7, 63,2×4, 60?4?5, 12?6,1, 58,3?3, 6?3，39, 91，12?4, 80,36?9, 70,3，13, 53,37,4, 74，31,16, 6×8，3, 47,11,21, 75，5×3, 6×4，61, 40?4,5, 432?8?9, 74,8×7, 80?10,4, 90?9×5, 23，82，92, 76，21?3, 4，8×6, 43，30?10, 58,40?10, 4×1,3, 6?6，77, 9?9，98,