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ясмина109
@ясмина109
July 2022
1
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решить уравнения :
6750 : (у - 39) = 54
328 -( у + 6 ) : 4 = 228
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17011981
6750:(y-39)=54
y-39=6750:54
y-39=125
y=125+39
y=164
Проверка
6750:(164-39)=54
1)164-39=125
2)6750:125=54
328-(y+6):4=228
(y+6):4=328-228
(y+6):4=100
y+6=100*4
y+6=400
y=400-6
y=394
Проверка
328-(394+6):4=228
1)394+6=400
2)400:4=100
3)328-100=228
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Answers & Comments
y-39=6750:54
y-39=125
y=125+39
y=164
Проверка
6750:(164-39)=54
1)164-39=125
2)6750:125=54
328-(y+6):4=228
(y+6):4=328-228
(y+6):4=100
y+6=100*4
y+6=400
y=400-6
y=394
Проверка
328-(394+6):4=228
1)394+6=400
2)400:4=100
3)328-100=228