完整版五年级小数点计算题

1、1直接写出得数。0.45 2.5 =0.8 1.25 =0.3 3.6 =0.3 0.3 =10 0.07 =0.3 1.4 =0.05 7 =0.92 0.4=0.2 0.26 =0.14 4 =0.02 0.1 =1.2 0.3 = 0.2 0.4 =8.2 + 1.8 =100 35.22 =2.3 4=2.5 0.4 =2.4 5=0.22 4=3.25 0=0.9-0.52 =3.99 1=0 3.52 =12.5 8=1 2).5=8勻0 =10-1.8-7.2=0.43+3.57=2.5 4 2=1.05 100=0.9 0.8=0.96 3=1.47 2.7=5.4 2=4 2

2、).8 =0.16.5 10=0.56 100=3.78 100=3.215 100=0.8 10=4.08 100=1.1 0.2 =0.6 0.8 =3 0.9=2.5 0.4=3.6 0.4=12.5 8=50 0.04=80 0.3 =1.19=0.16 5 =1.78 + 2.2 =9.6 2.6 =1.2 0.5-0.4 =0.7 2.01 =2.5 0.4 =12 3.9=1.25 82.25 =6.6 2.66 =5.37 0+4.63 =4.2 3.5 =1.6+2.4 0.3 =2.14 0.9 =27+ 456 + 73=0.3 0.3=7.2+ 2.8 =0.9 2.0

3、1 =122).3=2.87 2).7 =1324 =0.96 &3 =1.5 0.4 =7 20.25 =2.5 0.7 0.8=8 2.5 =16 出.6 =5.6 1.01 =8 X ( 2.5+ 0.25)=0.36 + 0.64 =64.32 26 =72.8 &8 =8.4 2.2 =13.8 +9.9=2.4 2.5 =0.05 0.8 =1.25 0.8 0.5=12 2.5=1.23 3=3.2 2.6=3.5 + 3.53=19.6 2=8.82.2=0.75 4 =(1.5 + 0.25) 4=0.50.8=8.4 0.2=1.6 0.2 =7.2 0.3=2.8 0.3

4、 =0.9 2.15=1.8 0.4=5.5 2.55=0.08 100=2.22.11 =5.46 + 4.54=12.5 0.8=0.35 0.3=1.4 5=2.8 4=19.6 2=22.5 4=2、用竖式计算0.396 2.2=0.756 2.36=15.6 13=0.18 5=0.025 X14=3.06 $6=0.04 0.12 =3.84 X 2.6 （保留一位小数）5.76 X 37.15 X2290.75 .33.68 0.213.76 .8=5.2 .68.4 .36.4 0.54.48 0.45.25 X535.4 4.20.042 XJ.540.76.320.25 .

5、0462.52 X3.41.08X250.12 0.5 0.16 =4.8 .25 =0.125 X1.4（保留两位小数）2.5七.7= （保留三位小数）10.1 .3=（商用循环小数）10.75 -12.5=（用乘法验算）3.25 9.04=（用除法验算）3、脱式计算（能简算的要简算）2.5 7.1 416.12 99 + 16.125.2 0.9+ 0.97.28 99+7.284.3 50 0.264 - 2.64 0.53.94+34.30.226 XI5.7 + 15.7 24(2.275 + 0.625) 0.281.2 (9.6 4) *88.9 1.1 4.72.7 5.4 3

6、.93.6 9.85-5.468.05 $.4+7.66.58 4.5 0.92.8 0.5+1.5832 + 4.9 0.94.8 4.8 0.5(1.25 0.125) 84.8 100.156.5 99+ 56.57.09 10.8 0.8 7.094.85 + 0.35*48.7 X17.4 - 8.77.42 . 13. 0. 825712.5 0.4 X2.5 80.87 X3.16+4.649.5 X1010.68 ( 5.2 -3.5 ) 1.254.8 ( 15 -2.4 )40.5 弋.810.186.81+6.81 90.25 185 404 .4 0.8 3.4 0.80.25 39+0.25(9.37+9.37+9.37+9.37).54.2. 1. + 1. 1