4×0.25=
7×0.08=
3×3÷3×3=
5.6×0.1=
1.23÷3=
500×0.01=
0.75×4=
7÷0.25=
(2+0.5)×4=
1.7+0.67+3.3=
微信扫码预览、分享更方便