3.2*4.5-3.2*2.2+3.2*6.7的简便运算

2025-03-26 01:57:56
推荐回答(5个)
回答1:

=3.2*(4.5-2.2+6.7)
=3.2*9
=28.8

回答2:

=3..2x(4.5-2.2+6.7)
=3.2x9
=28.8
请采纳

回答3:


回答4:

3.7+2.2+6.3+4.5
=(3.7+6.3)+(2.2+4.5)
=10+6.7
=16.7

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回答5:

=3.2(4.5-2.2+6.7)
=3.2*9
=3.2*(10-1)
=32-3.2
=28.8