помогите пж тоьько быстро (540÷х)=150÷2,(х×50)+(100×9)=250×4,120+(х×15)=375,600-120+(х×12)=600. Created by nurlanamina2008. matematika-ru

помогите пж тоьько быстро (540÷х)=150÷2,(х×50)+(100×9)=250×4,120+(х×15)=375,600-...

nurlanamina2008 @nurlanamina2008

June 2022 1 7 Report

помогите пж тоьько быстро (540÷х)=150÷2,(х×50)+(100×9)=250×4,120+(х×15)=375,600-120+(х×12)=600

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Sonia801 1)(540:х)=150:2
540:х=75
540:75=х
7, 2=х
2) (х*50)+(100×9)=250×4,120+(х×15)
50х+900=1030+15х
35х=130
х=3.7
3) 375,600-120+(х×12)=600
255,6+12х=600
12х=600-255, 6
12х=344,4
х=28, 7

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