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Serega2869
@Serega2869
May 2023
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решите пожалуйста 1 2 5
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lbcerevko
Ответ:
Пошаговое объяснение:
1. -9/10•(-4/9)=2/5
2. 1.53:0.5=5.1
3. 5.1-4.92=0.18
4. 2/5:18/100=20/9=2 2/9
2) 2.8:3.2=2.1:&
2.8&=3.2•2.1
2.8&=6.72
&=2.4 2.8:3.2=2.1:2.4
0.875=0.875
5) 3.6у-1.8=1.5у-2+4.4
3.6у-1.5у=2.4+1.8
2.1у=4.2 у=2
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Answers & Comments
Пошаговое объяснение:
1. -9/10•(-4/9)=2/5
2. 1.53:0.5=5.1
3. 5.1-4.92=0.18
4. 2/5:18/100=20/9=2 2/9
2) 2.8:3.2=2.1:&
2.8&=3.2•2.1
2.8&=6.72
&=2.4 2.8:3.2=2.1:2.4
0.875=0.875
5) 3.6у-1.8=1.5у-2+4.4
3.6у-1.5у=2.4+1.8
2.1у=4.2 у=2