x:9=(130-20+25 x 5) ( dư 5 )
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18 tháng 12 2021
\(1+10\div2\times4+0\)
\(=1+20+0\)
\(=21\)
PK
3
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x : 9 = 235 [ dư 5 ]
x = 235 x 9 + 5
x = 2115 + 5
x = 2120