8.7+8.7x0.3怎样简算

2025-06-26 16:40:30
推荐回答(1个)
回答1:

8.7 + 8.7*0.3 = 8.7+2.4+0.21=11.31 怎样简算
=8.7 + 2.4 + 0.21
=11.1 + 0.21
=11.31