помагите плиззз 9 задачу. Created by aikowka1. matematika-ru

помагите плиззз 9 задачу...

SESH11 1) 10x=7890-890
10x= 7000
x= 7000 : 10
x= 700

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727065 1)х•10=7890-890
х=7000:10
х=700

2) 10000:х=500•2
10000:х=1000
х=10000:1000
х= 10

3) х:10=18035+1965
х:10=20000
х=20000•10
х=200000

4)100•х=98000:10
х=980000:100
х=9800

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