五年级上册小数乘法口算练习题100道？

0.4×0.8=0.32,4×0.25=1,0.36+1.54=21.01×99=99.99,420÷35=12,25×12=300,135÷0.5=2703/4 + 1/4 =1,2 + 4/9 =22/9,3 - 2/3 =7/3,3/4 - 1/2= 1/41/6 + 1/2 -1/6 =1/2,7.5-(2.5+3.8)=1.2,7/8 + 3/8 =5/43/10 +1/5 =1/2,4/5 - 7/10 =1/10,