小学五年级小数四则运算口算题150道调好格式上

2.5×2=0.5×10=0.6×8=2.1×2=8×0.125=2.8×10=0.7×0.8=0.04×20=5.6+0.4=10.5×0.4=4.7+2.3=4.5×2=6.9-2.5=7.2×0