苏教版小学数学五年级(上)小数乘除法计算题

1、苏教版小学数学五年级（上）小数乘除法计算题练习班级:姓名:、计算题（30分）1、直接写出得数。0.45X2.5 =0.8X 1.25=0.3X 3.6=0.3X0.3 =10X0.07=0.3X1.4=0.05X7 =0.92X0.4 =0.2X0.26=0.14X4 =0.02X0.1 =1.2X0.3 =0.2X0.4=8.2+1.8 =100-35.22=2.3X 4 =2.5X0.4=2.4X5 =0.22X4=3.25X0=0.9-0.52=3.99X1 =0X3.52=12.5X8=8T0 =10-1.8-7.2=0.43+3.57=2.54X12=0.9 0.8=7.5x-3xa

2、+3a+7a=1.05 100=1 田.5=0.96 3=1.47 0.7=5.4年0.16.5 1>0=0.56 100=3.78 X00=3.215 100=0.8 X0=4.08 100=1.1 0.2 =0.6 0.8 =3X0.9=2.5 0.4=3.6 0.4=12.5 8=50X0.04=80X0.3 =1.1 9=0.16X51.78+2.2 =9.6+ 0.6 =1.2X0.5-0.4 =0.7+0.01 =2.5X0.4 =12-3.9=1.25X8+1.25 =6.6+0.66 =5.37X 0+4.63 =3.9 + 2.03=4.2 + 3.5=1.6+2.4X

3、0.3 =2.14-0.9=27+ 456+ 73=0.3X0.3=7.2+2.8=0.9+ 0.01 =12 + 0.3=2.87+0.7=13 + 4=0.96+ 0.3 =1.5X 0.4=7 + 0.25=2.5X0.7X0.8=8-2.5=16+1.6=5.6X 1.01 =8X (2.5+0.25) =0.36+0.64=64.32+16=4.2+0.1 =72.8+ 0.8 =0.05 X 0.8 =1.23X 3 =8.8+2.2=8.4X0.2=0.9+0.15=2.2+0.11 =1.4 5=2、用竖式计算0.396 1.2=8.4 + 4.2 =2.56- 0.37 =3

4、.2 + 1.6 =0.75X 4=1.6X 0.2 =1.8X0.4=5.46+4.54=2.8 4=0.756 0.36=13.8+9.9=1.25 X 0.8 X 0.53.5+ 3.5 X 3(1.5+0.25) X4 =7.2X0.3=5.5 + 0.55=12.5X0.8=19.6 4=2.4X2.5=12X2.5 =19.6+ 2 =0.5X0.8=2.8X0.3=0.08X 100=0.35 0.3=22.5 4=15.6 13=0.18 15=0.025 14=3.06 36=0.04X0.12=3.84X2.6 弋5.76X3 =（保留一位小数）16,9 <131.5

5、5 软93.7 软01613.76 0.8=5.2 软68.4 X.36.4 私54.48 包45.25 S35.4 4.20.042 S.540.76 0.320.25 0.0462.52 8.41.08 250.12X0.5X0.16=4.8X 0.25=0.125X 1.4 弋（保留两位小数）7.15 2290.75 333.68 0.25（保留三位小数）10.1-3.3=（商用循环小数）10.75-12.5=（用乘法验算）3.25X9.04=（用除法验算）3、脱式计算（能简算的要简算）12.5 0.4 宠.5 80.87 3.16+4.649.5 X012.5X7.1X416.12X

6、99+16.125.2X0.9+0.97.28X99+7.284.3X50X0.2642.64X0.526X15.7+ 15.7X24(2.275 +0.625)X0.283.94+34.3 0.21.2 (9.6 宠4) 4.88.9 X.1 4.72.7 5.4 3.93.6 溜.85-5.468.05 3.4+7.66.58 4.5 0.92.8 困.5+1.5832 + 4.9-0.94.8 4.8X0.5(1.250.125)X84.8X 100.156.5X 99+ 56.57.09X 10.8-0.8X 7.094.85 + 0.35 1.48.7 X7.4 - 8.77.4X0

7、.68 + (5.2 -3.5) X 1.252. 13X0X825740.5 + 0.81 X 0.184.8 X (15 + 2.4)6.81+6.81X990.25X185X404.4X0.83.4X0.82.5 (3.8 0.04)7.69 1013.8 X0.14. 2.x 1.+ 1.X1.75(9.37+9. 37+9. 37+9. 37)X 2. 52.37 6.3+2.37 372.5 X.25 0.323.8 ¥0.10.25 39+0.250.125 X246X0.33+54 0.33(8 )5.27) 1应56.81+6.81 990.25 185 >4

8、06.8 0.75 0.53.75 0.125 2751.53+23.4 729.5 9913.5 0.9812.5 8.84、 2.1 除以 35 的商，加上4.与 0.45 的积，和是多少？二、解方程：54-X=247X=49126 H4213+A=28.52.4X=26.47.5x 3x=185M.3-2x=5.524x+6x=63.65.6x+4.4x=5.2三、列式计算1、 20减去 0.8的差除以 4个 0.3 的和，商是多少？2、一个数的2.6倍加上9，和是35，求这个数。 （用方程解）3、 1.2与 4 的积，减去6.除以 5 的商，差是多少？5、一个数的3 倍加上 6 与 8 的积，和是84，求这个数6、 4.08 除以 0.6 的商，再乘以5.，积是多少？7、甲、乙两数的积是25.2，甲数是56 ，乙数是多少？8、把 0.47平均分成 7份，每份是多少？9、