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EvgeniyBabyshko
@EvgeniyBabyshko
June 2022
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решите пожалуйста уравнение с пропорцией
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sasha13131313
0.3 : 0.4x -1.5 = 9 : 4 - 0.3x
1.5*0.4x=6x 1.5*0.3=4.5
9*4=36 9*0.3=2,7x
6x-4.5=36-2.7x
6x+2.7x=36+4.5
8.7x=40.5
x=40.5 : 8.7
x=4.6
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EvgeniyBabyshko
спасибо большое
sasha13131313
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Answers & Comments
1.5*0.4x=6x 1.5*0.3=4.5
9*4=36 9*0.3=2,7x
6x-4.5=36-2.7x
6x+2.7x=36+4.5
8.7x=40.5
x=40.5 : 8.7
x=4.6