0.9+3.6÷4.5
0.75×18÷0.15
9.4×101
54.5×15﹣54.5×5
0.25×8.5×4
1.6×7.5×1.25
1.23×9.4+0.77×9.4
8.2-9.6×0.5
0.63×101
①3.6﹣2.8+7.4﹣7.2
②1.25×1.6×25
③÷4
④÷[(﹣)×]
①12.5×(8+0.8)
②+×
③+÷
④26﹣7.28﹣12.72
⑤5.8×4.1+5.9×5.8
⑥÷(+1.4×)