6.2×0.7÷6.2×0.7怎样简算?

2025-06-20 16:27:33
推荐回答(1个)
回答1:

6.2X0.7÷6.2X0.7
=6.2÷6.2X0.7X0.7
=0.7X0.7
=0.49