0.666x0.8+0.222X7.6简便计算

2025-06-28 09:04:52
推荐回答(1个)
回答1:

0.666x0.8+0.222X7.6
=0.222×0.8×3+0.222×7.6
=0.222×(0.8×3+7.6)
=0.222×10
=2.22