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180除以4.5的竖式怎么列?

180÷4.5=40

180÷4.5 =(180*2)÷(4.5*2) =360÷9 =40.

180÷4=45

121.5÷4.5=27

20.7÷4.5=4.6 4.64.5|20.7 ̄ ̄ 18 27 27 0

27.9/4.5=6.2

13

15.12/4.5 = 3.36

0.81÷4.5=0.18 0.18 __________÷ 4.5√ 0.8 1 4 5 __________ 3 60 3 60 __________ 0

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