3⼀5×99+3⼀5,用脱式计算?

2024-11-24 04:23:40
推荐回答(2个)
回答1:

3/5×99+3/5
=3/5x(99+1)
=3/5x100
=60

回答2:

3/5×99+3/5
=3/5×(99+1)
=3/5×100
=60