(3x-48).6=33.22+32.23-122
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(3x - 9).12 = 32 . 23
<=> 36x - 108 = 9 . 8
<=> 36x = 180
<=> x = 5
\(\left(3x-9\right).12=3^2.2^3\)
\(\Rightarrow\left(3x-9\right).12=72\)
\(\Rightarrow3x-9=72:12=6\)
\(\Rightarrow3x=6+9=15\Rightarrow x=5\)
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a. `17.85+15.17-120`
`=17 . (85+15)-120`
`=17 . 100-120`
`=1700-120`
`=1580`
b. `5.7^2 - 24 : 2^3`
`=5. 49 - 24: 8`
`=245-3`
`=242`
c. `3^3 .22 -27.19`
`=27.22 - 27.19`
`=27 . (22-19)`
`=27.3=81`
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a, 4.(3\(x\) - 2) - 3.(5\(x\) + 6) = 35
12\(x\) - 8 - 15\(x\) - 18 = 35
\(x\)(12 - 15) - ( 8 + 18) = 35
- 3\(x\) - 26 = 35
3\(x\) = - 26 - 35
3\(x\) = - 61
\(x\) = - \(\dfrac{61}{3}\)
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\(32\cdot23\div62\cdot23\div4\)
\(=736\cdot23\div248\)
\(=16928\div248=\frac{256}{31}\)
nhầm nha
\(3^2.2^3:6^2.2^3:4\)
Xin lỗi nha
mk biết k quả rồi nên ko cần đou
mk k tạm cho bạn thôi nha
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32x23:62x23:4
32x[23:(62x4)]
32x(23:248)
32x(23/248)
92/31
mà lúc nãy làm bị lỗi thông cảm
mà đây là bài lớp 6 mà