2.4×0.5=
9.9×10.1=
7.5×9+7.5=
4.2÷0.5=
3.9×2.5=
12.5×0.25×8=
8.7÷0.01=
6÷1.25=
9.6÷(4.8×5)=
微信扫码预览、分享更方便