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

Toán Lớp 4: Tính bằng hai cách a) (426 + 813) : 3 b) (2350 + 435) : 5

Toán Lớp 4: Tính bằng hai cách
a) (426 + 813) : 3
b) (2350 + 435) : 5

Comments ( 2 )

  1. a) (426 + 813) : 3
    c1
    = 1239 : 3
    = 413
    c2
    = 426 : 3 + 813 : 3
    = 142 + 271
    = 413
    b) (2350 + 435) : 5
    c1
    = 2785 : 5
    = 557
     c2
    = 2350 : 5 + 435 : 5
    = 470 + 87
    = 557

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