0.25×5.8×4
7.2×1.25
8.3+1.7×0.2
10.1×67.8﹣6.78
4.6×2.8+5.4×2.8
78÷2.5÷0.4
12.5×3.2×25
102×0.15
0.25×39+0.25
7.4×9.9 0.16×0.25×0.125
2.5×167-25×0.7 5.85+0.45×3.2
①0.53×2.5+
②25×0.032×12.5
③ [()×]
④6.83+17.9﹣0.83+32.1
①25×32×1.25
②(+0.375)÷(×)
③×+÷7
④6﹣(+)
①26×15﹣200
②8×4×12.5×0.25
③×+
④12÷[()×]