8X68/2+48
=8X34+8X6
=8X(34+6)
=8X40
=320
如果要把算来自式8*68/2+48的运算顺序改成先算除法,再算加法,最后算乘法,那么算式应改
jacky
2024-06-08 19:03
阅读 439
jacky
2024-06-08 19:03
阅读 439
