直接写得数．
10÷0.01= 0.22+0.8= 10﹣2.05= 3.5×0.4= 4÷0.25=
0÷19.8= 0.2×0.05= 0.6×1.5= 1.36+2.87+3.64= 1.8×0.4×0.25=
直接写得数．
10÷0.01= 0.22+0.8= 10﹣2.05= 3.5×0.4= 4÷0.25=
0÷19.8= 0.2×0.05= 0.6×1.5= 1.36+2.87+3.64= 1.8×0.4×0.25=
45%
米可以用百分数75%米表示． ．
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