2.2x2.5 0.25x0.18简便计算

2025-06-23 02:39:05
推荐回答(1个)
回答1:

2.2x2.5 +0.25x0.18
=2.2×2.5+2.5×1.8
=2.5×(2.2+1.8)
=2.5×4
=10