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Tổng là :
\(112+221=333\)
Đáp số : \(333\)
k mk nha
thank you very much
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200 - 8 . ( 2X + 7 ) = 112
8 . ( 2X + 7 ) = 200 - 112
8 . ( 2X + 7 ) = 88
2x + 7 = 88 : 8
2x + 7 = 11
2x = 11 - 7
2x = 4
x = 4 : 2
x = 2
200 - 8 x ( 2x + 7 ) ) = 112
8 x ( 2x + 7 ) = 200 - 112
8 x ( 2x + 7 ) = 88
( 2x + 7 ) = 88 : 8
( 2x + 7 ) = 11
2x = 11+ 7
2x = 18
x = 18 : 2
x = 9
vậy x = 9
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123 - 112 = 11
18 : 2 = 9
987654321 - 123456789 = 864197532
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tổng trên có kết quả :
112 + 112 = 224
đáp số : 224
112 + 112 = 224
Nhanh nhất k tui~