2.7+4.25×3的简便运算

2.7+4.25×3的简便运算
2025-03-06 19:51:06
推荐回答(4个)
回答1:

2.7+4.25×3
=0.9×3+4.25×3
=(0.9+4.25)×3
=5.15×3
=15.45

回答2:


如图

回答3:

2.7+4.25×3
=2.7+12.75
=15.45

回答4:

2.7+4.25×3
=2.7+12.75
=15.45
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