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Женя321
@Женя321
July 2022
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3.Решите уравнение.
0,9 (b-5) - 0,8(b-2 )=2,3
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aloynuchka
0.9(b-5)-0.8(b-2)=2.3
0.9b-4.5-0.8b+1.6=2.3
0.9b-0.8b=2.3+4.5-1.6
0.1b=5.2
b=5.2 : 0.1
b=52
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Answers & Comments
0.9b-4.5-0.8b+1.6=2.3
0.9b-0.8b=2.3+4.5-1.6
0.1b=5.2
b=5.2 : 0.1
b=52