280道小数乘除法口算题

1.5×4=2.5×4=0.13×4=2.4-0.8=5.4÷10=4.2×1000=0.45÷0.15=3.6÷0.1=O.75+0.8=8.5×100=3.2÷100=0.18×0.3=8.5÷1

1.8x2.52.8x0.470.48x3.29.12x0.240.27x1.825.3x5.250.9x85400x2.5543.3x2.64.28x2.44036x2.528.6x.8.522.9

5.9×1000=11.6÷10=0.059×100=6.75×10=1.08×100=99÷10=7.8×100=1.05÷100=0.66×10=0.46÷1000=9.88×100=8.7÷10

62*12=17*6=17/2-7/4=9/4）*（6/2）=50*(2/15)=1.08/0.12=65/5=68*2.3=1.414*3.1=1.25+1/4=33*5=93+862=4.5+25

4.8＋2.3=5.6÷7=4.7＋6.2=3.7－0.07=27÷0.01=3.72＋2.28=0.62＋0.38=1.25×4=0.45÷0.09=5.2×0=1.73＋3.2=1.12×100=

0.1*0.1=0.010.1*0.2=0.020.2*0.2=0.040.3*0.6=0.180.5*0.6=0.30.8*0.5=0.40.5*0.2=0.10.9*0.8=0.720.9*0.7

8.7－1.9－3.1=0.7×16–16×0.3=（12.5＋1.25）×0.8=（5.6＋3.5）÷0.7=9.1÷4－3.1÷4=8.92－0.03－1.97=0.175÷0.25÷4=0.8×

1.1x1.1=1.211.2x1.2=1.441.3x1.3=1.691.4x1.4=1.961.5x1.5=2.251.6x1.6=2.561.7x1.7=2.891.8x1.8=3.241.9x

6.4+7.2÷2=0.3÷0.15=0.5*0.12=0.6*3÷0.6*3=1.4*5=0.1*0.01=0.35*8=7.35÷7=1÷0.01=2÷0.4=0.32*0=1÷0.1=12.5*

1]8.7－1.9－3.1=0.7×16–16×0.3=2]（12.5＋1.25）×0.8=（5.6＋3.5）÷0.7=3]9.1÷4－3.1÷4=8.92－0.03－1.97=4]0.175÷0.2

1)1.4÷0.5=2)1.55÷0.5=3)3.15÷0.7=4)1.86÷0.2=5)1.04÷0.8=6)0.38÷0.1=7)1.36÷0.2=8)1.16÷0.4=9)0.12÷0.6=10

80÷1.6再答：0��3.5再答：1.6��0.8再答：3.9��3.9再答：4.2��1.4再答：����ô�࣡再问：�����أ�再问：����ȫ��再答：9.12��24再答：2.5��10再

5.6×2.93.77×1.80.02×965.22×0.39.99×0.024.67×0.95×2.441.666×6.19.432×0.0025.6×6.54.88×2.95.61×4.38.9×

应该差不多了,做一下看看

去买本口算练习不就ok了吗?

请先给出2~4个样例再问：720÷800=17×300=再答：17×300有小数么？再问：弄错了再答：910*0.7=637190*0.3=57700*0.1=70320*0.8=256140*0.1

5.6×2.93.77×1.80.02×965.22×0.33×0.024.67×0.95×2.441.6×6.19.432×0.0025.6×6.54.88×2.95.61×4.38.9×2.45.

推荐这个网址里的计算题,你自己找吧http://edu.ksnnw.com/html/xiaoshu/

2.5X4=.

15×3=15×30=150×3=150×30=15×300=3×150=25×4=45×20=50×40=250×4=125×4=125×8=21×4=21×40=210×4=60×90=600×8