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230问答网 > 4.5x4.5+5.5x4.5的简便运算,快!

4.5x4.5+5.5x4.5的简便运算,快!

2025-03-16 19:02:56

推荐回答（4个）

回答1：

4.5x4.5+5.5x4.5=4.5x(4.5+5.5)=4.5x10=45

回答2：

4.5x4.5+5.5x4.5
=4.5×(4.5+5.5)
=4.5×10
=45

回答3：

4.5×（4.5+5.5）
＝4.5×10
＝45

回答4：

=4.5(4.5+5.5)
=4.5×10
=45

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