Toán Lớp 6: ( – 34 ) : x + 15 = 22 + 3.(- 4 ) = ?
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Toán Lớp 6: ( – 34 ) : x + 15 = 22 + 3.(- 4 ) = ?
mn giúp e với
Comments ( 2 )
Giải đáp:
( – 34 ) : x + 15 = 22 + 3.(- 4 )
( – 34 ) : x + 15 = 22+(-12)
( – 34 ) : x + 15 = 10
( – 34 ) : x=10-15
( – 34 ) : x=-5
x= (-34) : (-5)
x=6,8 hay 34/5
( – 34 ) : x + 15 = 22 + 3.(- 4 )
( – 34 ) : x + 15 = 10
( – 34 ) : x = 10 – 15
( – 34 ) : x = ( -5 )
x = ( – 34 ) : ( -5 )
x = 6,8