4.8*2.3+6.2*2.3-2.3的简便运算

4.8*2.3+6.2*2.3-2.3的简便运算
2025-03-04 05:55:15
推荐回答(1个)
回答1:

4.8*2.3+6.2*2.3-2.3
= (4.8+6.2-1)*2.3
= 10*2.3
= 23