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

Toán Lớp 6: a,5x25x2x37x4 b,38×63 + 37×38 Tính nhanh

Toán Lớp 6: a,5x25x2x37x4
b,38×63 + 37×38
Tính nhanh

Comments ( 2 )

  1. a):
    5 × 25 × 2 × 37 × 4
    = 37 × (5 × 2) × (25 × 4)
    = 37 × 10 × 100
    = 37 × 1000
    = 37000
    b):
    38xx63 + 37xx38
    = 38 × (67 + 37)
    = 38 × 100
    = 3800
    Cho mình xin hay nhất nha bạn
    @Drew McIntyre

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