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

Toán Lớp 5: Y×3+1020=4500 Y= Y= Y×9-99=999 Y= Y= Y= Y×9+10233=34002 Y= Y= Y=

Toán Lớp 5: Y×3+1020=4500
Y=
Y=
Y×9-99=999
Y=
Y=
Y=
Y×9+10233=34002
Y=
Y=
Y=

Comments ( 2 )

  1. $1$.
    y x 3+1020=4500
    <=>y x 3=4500-1020
    <=>y x 3=3480
    <=>y=3480:3
    <=>y=1160
    $2$.
    y x 9-99=999
    <=>y x 9=999+99
    <=>y x 9=1098
    <=>y=1098:9
    <=>y=122
    $3$. 
    y x 9+10233=34002
    <=>y x 9=34002-10233
    <=>y x 9=23769
    <=>y=23769:9
    <=>y=2641
     

  2. Y xx 3 + 1020= 4500
    Y xx 3 = 4500 – 1020
    Y xx 3 = 3480
    Y = 3480 : 3
    Y = 1160
    Y xx 9-99=999
    Y xx 9 = 999 + 99
    Y xx 9 = 1098
    Y = 1098 : 9
    Y =  122
    Y xx 9 + 10233=34002
    Y xx 9 = 34002 – 10233
    Y xx 9 = 23769
    Y = 23769 : 9
    Y = 2641
    #Chúc bạn học tốt
    #HươngYang

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

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