Предмет: Математика, автор: А2008

B-9=45+5
C+3=20+7 как решить?

Ответы

Автор ответа: masterof

0

в первом случае b=59
59-9=45+5
во втором случае c=24
24+3=20+7

Автор ответа: Gosha2285

0

B-9=45+5
B-9+50
B=50+9
B=59
C+3=20+7
C+3=27
C=27-3
C=24

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