4.5x3.26+9.7x6.74+3.26x5.2用简便方法计算

2025-03-04 12:23:09
推荐回答(1个)
回答1:

3.26X(4.5+5.2)+9.7X6.74
=3.26X9.7+9.7X6.74
=9.7X(6.74+3.26)
=9.7X10
=97