五年级上册数学.小数简便运算综合练习

五年级上册数学.小数简便运算综合练习日期:_____用时:_____成绩:_____班级:_____一、脱式计算3.3×0.8−3.3×0.2=3.3×(0.8−0.2)=3.3×0.6=1.981.1×4.7−1.1×0.3=1.1×(4.7−0.3)=1.1×4.4=4.843.8×2.32-3.8×0.68=3.8×(2.32−0.68)=3.8×1.64=6.2328×(0.625−0.2)=8×0.625−8×0.2=5−1.6=3.410÷0.4÷2.5=10÷(0.4×2.5)=10÷1=102.5×(12−1.5)=2.5×12−2.5×1.5=30−3.75=26.25330÷2÷1.5=330÷(2×1.5)=330÷3=1102×(0.5+1.4)=2×0.5+2×1.4=1+2.8=3.83.6×4.52-3.6×0.48=3.6×(4.52−0.48)=3.6×4.04=14.5441×2.3−1×0.7=1×(2.3−0.7)=1×1.6=1.61140÷5÷1.2=1140÷(5×1.2)=1140÷6=1902.5×(20−1.7)=2.5×20−2.5×1.7=50−4.25=45.75260÷0.4÷5=260÷(0.4×5)=260÷2=1302.5×(4+1.3)=2.5×4+2.5×1.3=10+3.25=13.250.5×5.6×2=0.5×2×5.6=1×5.6=5.6五年级上册数学.小数简便运算综合练习日期:_____用时:_____成绩:_____班级:_____一、脱式计算120÷5÷0.6=120÷(5×0.6)=120÷3=401.3×3.4+1.3×0.6=1.3×(3.4+0.6)=1.3×4=5.22.5×4.05-2.5×0.95=2.5×(4.05-0.95)=2.5×3.1=7.758×(0.625+0.7)=8×0.625+8×0.7=5+5.6=10.6200÷0.4÷25=200÷(0.4×25)=200÷10=209×58=10×58-1×58=580-58=522250÷0.2÷25=250÷(0.2×25)=250÷5=5017.75×0.5×0.2=17.75×(0.5×0.2)=17.75×0.1=1.7750.5×(10−1.1)=0.5×10−0.5×1.1=5−0.55=4.453.9÷(1.3×5)=3.9÷1.3÷5=3÷5=0.6600÷0.5÷8=600÷(0.5×8)=600÷4=150930÷0.6÷5=930÷(0.6×5)=930÷3=3101.25×7+1.25=1.25×7+1.25×1=1.25×(7+1)=1.25×8=105.4×11-5.4=5.4×11-5.4×1=5.4×(11-1)=5.4×10=549.7×99+9.7=9.7×99+9.7×1=9.7×(99+1)=9.7×100=970五年级上册数学.小数简便运算综合练习日期:_____用时:_____成绩:_____班级:_____一、脱式计算15.2÷0.25÷4=15.2÷(0.25×4)=15.2÷1=15.20.125×8.8=0.125×8×1.1=1×1.1=1.1280÷5÷1.4=280÷(5×1.4)=280÷7=406.74×99+6.74=6.74×(99+1)=6.74×100=6742.7×4.4−2.7×0.6=2.7×(4.4−0.6)=2.7×3.8=10.260.5×(8−1.1)=0.5×8−0.5×1.1=4−0.55=3.4560÷0.2÷5=60÷(0.2×5)=60÷1=604.9×3.5+4.9×0.5=4.9×(3.5+0.5)=4.9×4=19.6660÷4÷1.5=660÷(4×1.5)=660÷6=110420÷2÷1.5=420÷(2×1.5)=420÷3=1404.3×0.7−4.3×0.3=4.3×(0.7−0.3)=4.3×0.4=1.724.6×2.1−4.6×0.9=4.6×(2.1−0.9)=4.6×1.2=5.5223×0.1+2.3×99=23×0.1+23×9.9=23×(0.1+9.9)=23×10=2304.8×7.8+78×0.52=4.8×7.8+7.8×5.2=7.8×(4.8+5.2)=7.8×10=782.5×2.4=2.5×(0.4×6)=2.5×0.4×6=1×6=6五年级上册数学.小数简便运算综合练习日期:_____用时:_____成绩:_____班级:_____一、脱式计算0.99×9+0.99=0.99×(9+1)=0.99×10=9.90.48×101-0.48×1=0.48×(101-1)=0.48×100=48(8×5.27)×1.25=8×1.25×5.27=10×5.27=52.7(4+0.8)×25=4×25+0.8×25=10+20=300.34×2.5×0.4=0.34×(2.5×0.4)=0.34×1=0.340.25×39+0.25=0.25×(39+1)=0.25×40=1016.12×99+16.12=16.12×(99+1)=16.12×100=161275.3÷(7.53×20)=75.3÷7.53÷20=10÷20=0.50.25×0.46×40=0.25×40×0.46=10×0.46=4.68.4÷(2.1×0.4)=8.4÷2.1÷0.4=4÷0.4=108.5×(10-2)=8.5×10-8.5×2=85-17=6832×1.25=4×8×1.25=4×10=407.69×101=7.69×(100+1)=7.69