0.8+0.8×8.8+0.2×0.8等于多少简便运算?

2025-06-28 22:46:43
推荐回答(1个)
回答1:

0.8+0.8×8.8+0.2×0.8=0.8×(1+8.8+0.2)=0.8×10=8