小数乘除法口算自己整理

小数乘除法口算自己整理 0.75，4.25= 9.63?3= 0.1?100= 4×0.25, 7,0.23= 4.2×5= 6.3?0.9= 0.36，1.54, 4.7，2.3= 0.25×8= 4.8?0.3= 1.01×99, 6,3.4= 0.04×2.5= 7.2,0.8= 420?35, 0.75×100= 1×0.01= 1.4×0.5= 8.9,(3+0.9)= 8= 5.6?100= 0.1，0.01= 29?100= 7? 1.5，2.45= 2.5×4= 0.63?0.9= 6.3?0.7= 10,9.25= 0.6，0.54= 6，2.4= 101-0.89, 0.06×1.5= 8.9,0.9= 12.5×8= 11-12.4= 0.3?0.5= 0.96?2= 8.9×0= 1-0.1×0.1= 5.9,2.5= 0.7×0.8= 0.78?3= 6×0.125×8= 4.5×2= 1，0.01= 0.35?0.5= 1×0.4?1×0.4= 3.6?3= 6.8-2.4?3= 0.1?0.01= 9.36?0.9= 2.1?0.7= 0.125×8= 100?0.4= 0.3+0.5= 1,0.34= 0.53×1000= 0.81，0.09= 1.9+5.1?51= 0.1，0.0225= 72.8×0.01= 0.4×0.9= 1.8?0.9×0.5= 1?125= 8×0.125= 10,5.4, 12-0.05×4= 1.2?0.2= 1×0.01?0.1= 5.6，3.8= 4?20, 1?0.01= 0.62,0.32= 3.5×200, 7.2-1.2+6.7= 0.02×0.5= 48?0.6= 1.5,0.06, 25×3.3×0, 0.75?0.25= 20?0.2= 0.75?15, 3，0.05, 16.8?4= 1×0.4= 0.4×0.8, 7.2,3.8, 2.5×2= 0.86?2= 10.8?9= 4.5,0.05= 0.6×8= 0.56?28= 9.6?0.8= 3.9?0.13 2.1×2= 0.36?0.4= 0.108?2= 16.5?0.5= 2.8×10= 0.64?0.8= 4.95?0.9= 5×0.12= 0.7×0.8= 0.7×9= 9.65?0.1= 24×0.5= 0.04×20= 3.6?24= 0.325×100= 4.8×0.5= 5.6+0.4= 0.8×1.1= 2.5×8= 2.8，4.2= 4.7+2.3= 7.2+12.8= 0. 56?0.7= 0.84?2.1= 4.5×2= 46.7,3.8= 0.125×4= 5?0.25= 6.9,2.5= 12.8?4= 3.28×0.1= 7.8?0.01= 7.2×0.8= 5.2?13= 3.9?0.13= 5.4?0.6= 6×3.4= 12.5?5= 7.2×0.1= 3.2?5= 0.62,0.32= 1.64+4.1= 0.01×0.1= 7×0.62= 1.4×0.5= 10?20= 0.25×0.4= 0.56?0.8= 0.75×100= 24?15= 1.6?0.8= 7.4,2.8= 0.02×0.5= 8.65×10= 1?2.5= 0.18?0.2= 0.16?8= 3.6×0.3= 0.35×0.6= 1.25×0.8= 4.5×0.02= 6.3?7= 3.08×0.01= 3.2?0.04= 8，7.2= 5.6×100= 4.95×1000= 0?1.7= 0.75?0.25= 6.9×0.1= 0.22×102= 1.2×30= 0.125×8= 0.4×0.5= 9.6?0.8= 0.012×0.2= 4.8?0.3= 2.4?0.8= 5×0.24= 7.3×0.3= 0?6= 16.8?8= 10.8?9= 0.26×0.3= 3.6?0.12= 7.8?0.01= 8.4×0.02= 0.54，2.2= 7.8?0.6= 5.4?0.6= 1.2×6= 3.5,0.05= 2?5= 3?5= 0.8×0.05= 2?0.02= 4.5，5= 7×0.62= 12.6?0.03= 0.25×40= 0.3?0.6= 12?0.5= 8.71?0.1= 1.5×0.6= 0.96?0.2= 5.2×0.4= 21?0.21= 0.32?0.8= 10.5×0.4= 12.2?0.2= 0.8×0.13= 12.25?0.5= 7.3，0.27= 5.6?100= 0.34?17= 73.5×0.1= 8×0.125= 0.41，3.7= 8.08?0.4= 46.5，52.5= 0.54?0.6= 0.02×0.5= 0.5×2.2= 0.45×102= 0.61，0.39= 7.2,0.8= 1.24×4= 1.25×88= 0.63= 0.56?28= 1.4×0.5= 3.27，8×1.25= 10?20= 84?0.21= 5.02×0.3= 7?3.5= 4.08?0.4= 0.75?0.25= 0.3×0.5= 4.2?0.7?6= 10,9.4= 2.5×16= 5.6?7= 0.4×8.6×25= 0.8×0.11= 0.108?2= 72? 7.2= 0.27?0.3= 0.7?0.35= 7.2，12.8= 1.75，32.5= 2.5×101= 5.6?0.01= 16,5.07= 0.7?1.4 2.5×2= 2.3×100= 5.2?13= 0.48?0.04= 0.5×10= 0.75×100= 1.64?41= 1.25?2.5= 0.6×8= 0.108?2= 1.02×0.2= 5.5，5.5= 2.1×2= 2.8×10= 0.64?0.8= 4.95?0.9= 5×0.12= 0.7×0.8= 0.7×9= 9.65?0.1= 24×0.5= 0.04×20= 3.6?24= 0.325×100= 4.8×0.5= 5.6+0.4= 0.8×1.1= 2.5×8= 2.8，4.2= 4.7+2.3= 7.2+12.8= 0. 56?0.7= 0.84?2.1= 4.5×2= 46.7,3.8= 0.125×4= 5?0.25= 6.9,2.5= 12.8?4= 3.28×0.1= 7.8?0.01= 7.2×0.8= 5.2?13= 3.9?0.13= 5.4?0.6= 6×3.4= 12.5?5= 7.2×0.1= 3.2?5= 0.62,0.32= 1.64+4.1= 0.01×0.1= 7×0.62= 1.4×0.5= 10?20= 0.25×0.4= 0.56?0.8= 0.75×100= 24?15= 1.6?0.8= 7.4,2.8= 0.02×0.5= 8.65×10= 1?2.5= 0.18?0.2= 3.6×0.3= 0.35×0.6= 1.25×0.8= 0.16?8= 6.3?7= 3.08×0.01= 3.2?0.04= 4.5×0.02= 5.6×100= 4.95×1000= 0?1.7= 8，7.2= 0.75?0.25= 6.9×0.1= 0.22×102= 1.2×30= 0.125×8= 0.4×0.5= 9.6?0.8= 0.012×0.2= 4.8?0.3= 2.4?0.8= 5×0.24= 7.3×0.3= 0.86?2= 10.8?9= 4.5,0.05= 0?6= 0.56?28= 9.6?0.8= 3.9?0.13 3.6?0.12= 0.36?0.4= 0.108?2= 16.5?0.5= 7.8?0.6= 2?5= 3?5= 0.8×0.05= 12.25?0.5= 4.5，5= 7×0.62= 12.6?0.03= 73.5×0.1= 0.3?0.6= 12?0.5= 8.71?0.1= 46.5，52.5= 0.96?0.2= 5.2×0.4= 21?0.21= 0.45×102= 10.5×0.4= 12.2?0.2= 0.8×0.13= 1.25×88= 7.3，0.27= 5.6?100= 0.34?17= 8×1.25= 8×0.125= 0.41，3.7= 8.08?0.4= 7?3.5= 0.54?0.6= 0.02×0.5= 0.5×2.2= 4.2?0.7?6= 0.61，0.39= 7.2,0.8= 1.24×4= 0.4×8.6×25= 0.56?28= 1.4×0.5= 3.27，0.63= 0.27?0.3= 10?20= 84?0.21= 5.02×0.3= 2.5×101= 4.08?0.4= 0.75?0.25= 0.3×0.5= 2.6×7?2.6×7= 10,9.4= 2.5×16= 5.6?7= 0.02×0.5= 0.8×0.11= 0.108?2= 0.7?0.35= 3.6×0.3= 7.2，12.8= 1.75，32.5= 0.7?1.4 6.3?7= 5.6?0.01= 16,5.07= 0.48?0.04= 5.6×100= 2.3×100= 5.2?13= 1.25?2.5= 7.8?0.01= 0.75×100= 1.64?41= 16.8?8= 5.4?0.6= 0.108?2= 1.02×0.2= 2?0.02= 3.2?5= 10.8?9= 0.26×0.3= 0.25×40= 7×0.62= 7.8?0.01= 8.4×0.02= 1.5×0.6= 1.5×0.6= 5.4?0.6= 1.2×6= 0.32?0.8= 0.32?0.8= 12.25?0.5= 73.5×0.1= 2.5×2= 0.5×10= 0.6×8= 2.1×2= 0.61，0.39= 0.56?28= 10?20= 4.08?0.4= 1.2×0.3 = 6.6?1.1 = 4.9?7= 0?0.48=