7837+7986+5416+x=
K
Khách
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TL
1
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NM
1
NM
1
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18 tháng 12 2021
x : 9 = 235 [ dư 5 ]
x = 235 x 9 + 5
x = 2115 + 5
x = 2120
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18 tháng 12 2021
\(1+10\div2\times4+0\)
\(=1+20+0\)
\(=21\)