0.25× +75%×0.625
12×( + + )
2.5×1.25×32
×99%+0.6×1%
37.8+5.6+6
2.2+4.4
0÷3.6=
6.2×0.3=
1.55×0.28=0.0434
486﹣186= 250+250= 0.25×0.8= 4.2÷6=
= = 24× = 21÷ =
改正:
4.39×0.984.39 0.27×9.92.7×0.99 1.04×1.781.04
5.08元5元8分 10.1×0.110.1+0.1