x7.06ⅹ(5.07-2.4)=多少,用脱式计算该怎么算

2024-12-01 04:34:09
推荐回答(1个)
回答1:

42×7/4+18+42 = 42×11/4+18 = 462/4 + 18 = 115.5 + 18 = 133.5