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222-9+11+12:2*14+14 = ? ( )

Toán Lớp 5: a) X + 2( 1)/( 4 ) = 5 3/4 b) X – 21/3 = 32/3 ………………………………………

Toán Lớp 5: a) X + 2( 1)/( 4 ) = 5 3/4 b) X – 21/3 = 32/3
………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………
a) X x 2( 1)/( 4 ) = 4 3/4 b) X : 1 1/3 = 3 2/3
………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………

Comments ( 2 )

  1. a)x+2 1/4=5 3/4
    x+9/4=23/4
    x=23/4-9/4
    x=14/4
    x=7/2
    b)x-21/3=32/3
    x=32/3+21/3
    x=53/3
    c)x:1 1/3=3 2/3
    x:4/3=11/3
    x=11/3xx4/3
    x=44/9

  2. Giải đáp:+Lời giải và giải thích chi tiết:
    a)x+ 2 1/4=5 3/4
    x+ 9/4=23/4
    x=23/4-9/4
    x=14/4
    x=7/2
    b)x-21/3=32/3
    x=32/3+21/3
    x=53/3
    a)x xx 2 1/4 = 4 3/4
    x xx9/4=19/4
    x=19/4 :9/4
    x=19/4 .4/9
    x=19/9
    b)x :1 1/3=3 2/3
    x: 4/3=11/3
    x=11/3 xx4/3
    x=44/9

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222-9+11+12:2*14+14 = ? ( )