X × 4 ÷ 7 = 8 giá trị X là?
K
Khách
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6 tháng 9 2021
720 : A x 5 = 6
A x 5 = 720 : 6
A x 5 = 120
A = 120 : 5
A = 24
HỌC TỐT
DT
2
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DT
6
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NV
1
NM
6
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DH
5
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6 tháng 9 2021
\(6.x+5.x=55\)
\(x.\left(6+5\right)=55\)
\(x.11=55\)
\(x=55:11\)
\(x=5\)
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6 tháng 9 2021
uuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuu
LH
9
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X x 4 : 7 = 8
X x 4 = 8 x7
X x 4 = 56
X = 56 : 4
X = 14
Chúc bạn học tốt
ko có j