被除数、除数、商及余数的和是147,商和余数都是9,求被除数.

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被除数、除数、商及余数的和是147,商和余数都是9,求被除数.

被除数、除数、商及余数的和是147,商和余数都是9,求被除数.
被除数、除数、商及余数的和是147,商和余数都是9,求被除数.

被除数、除数、商及余数的和是147,商和余数都是9,求被除数.
(147 - 9 - 9 - 9)÷(9+1)
=120÷10
=12 这是除数
12×9 + 9 = 117 被除数

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你好!
设除数为x,被除数就为9x+9
又因为商和余数都是9,
所以9x+9+x+9+9=147
10x+27=147
10x=147-27
10x=120
x=12

被除数+除数+商+余数=147
商=余数=9
被除数+除数=147-商-余数=129
被除数=商*除数+余数=9*除数+9
9*除数+9+除数=129
10除数=120
除数=12
被除数=商*除数+余数=9*12+9=117

(147-3×9)÷(9+1)=12,,12×9+9=117

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