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123ТоРтИчЕк123
@123ТоРтИчЕк123
July 2022
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дам много баллов упр 448
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KlybNichKA11
Складывая 84а+25а=443-7
109а= 436
а= 436 разделить на 109
а=4 и т.д
1 votes
Thanks 1
8a8a8a8a8a
А)84а+25а+7=443
109a=443-7
109a=436
a=436/109
a=4
б)4(9+7х)+21=393
36+28х+21=393
28х=393-21-36
28х=336
х=336/28
х=12
в)?
г)5(14+b)+6b=158
70+5b+6b=158
11b=158-70
11b=88
b=88/11
b=8
2 votes
Thanks 1
123ТоРтИчЕк123
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Answers & Comments
109а= 436
а= 436 разделить на 109
а=4 и т.д
109a=443-7
109a=436
a=436/109
a=4
б)4(9+7х)+21=393
36+28х+21=393
28х=393-21-36
28х=336
х=336/28
х=12
в)?
г)5(14+b)+6b=158
70+5b+6b=158
11b=158-70
11b=88
b=88/11
b=8