五上数学小数乘除脱式计算

五上数学小数乘除脱式计算（一）班级：_____姓名：_____错题个数：_____0.11×1.8+8.2×0.11=0.11×(1.8+8.2)=0.11×10=1.12.34×99+2.34=2.34×(99+1)=2.34×100=2346.33×101-6.33=6.33×(101-1)=6.33×100=6331.56×1.7+0.44×1.7=1.7×(1.56+0.44)=1.7×2=3.4132×101=132×(100+1)=132×100+132×1=13200+132=133320.125×32×2.5=0.125×8×4×2.5=(0.125×8)×(4×2.5)=1×10=106.25÷1.25÷0.8=6.25÷(1.25×0.8)=6.25÷1=6.252.5×16=2.5×4×4=10×4=40五上数学小数乘除脱式计算（二）班级：_____姓名：_____错题个数：_____1.8×[(3.41-2.9)÷0.03]=1.8×[0.51÷0.03]=1.8×17=30.61.258×18.5-0.258×18.5=18.5×(1.258-0.258)=18.5×1=18.51.25×2.4=1.25×8×0.3=10×0.3=35.85÷(1.3+0.5)×6=5.85÷1.8×6=3.25×6=19.55.4×[(1.3+2.15)÷0.2]=5.4×[3.45÷0.2]=5.4×17.25=93.1510.9-0.9÷0.2+1.8=10.9-4.5+1.8=6.4+1.8=8.21.25×3.2×0.25=1.25×0.8×4×0.25=(1.25×0.8)×(4×0.25)=1×1=19.99×1.01=9.99×(1+0.01)=9.99×1+9.99×0.01=9.99+0.0999=10.0899五上数学小数乘除脱式计算（三）班级：_____姓名：_____错题个数：_____98.5÷2.5÷4=98.5÷(2.5×4)=98.5÷10=9.850.8×(4-3.68)÷0.01=0.8×0.32÷0.01=0.256÷0.01=25.65.96+13×(3.2-3.12)=5.96+13×0.08=5.96+1.04=716.2×4.5+3.8×4.5=4.5×(16.2+3.8)=4.5×20=904.63×1.4+46.3×0.86=46.3×0.14+46.3×0.86=46.3×(0.14+0.86)=46.3×1=46.31.25×0.25×32=1.25×0.25×8×4=(1.25×8)×(0.25×4)=10×1=1017.5÷0.8÷12.5=17.5÷(0.8×12.5)=17.5÷10=1.755.29×9+5.29=5.29×(9+1)=5.29×10=52.9五上数学小数乘除脱式计算（四）班级：_____姓名：_____错题个数：_____16.8×10.1=16.8×(10+0.1)=16.8×10+16.8×0.1=168+1.68=169.680.25×3.2×1.25=0.25×0.4×8×1.25=(0.25×0.4)×(8×1.25)=0.1×10=12.9×99+2.9=2.9×(99+1)=2.9×100=29025×11.2×4=25×4×11.2=100×11.2=11203.75×25+6.25×25=25×(3.75+6.25)=25×10=2500.8×6.3-0.8×3.8=0.8×(6.3-3.8)=0.8×2.5=25.4÷[0.51÷(1.