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

Toán Lớp 6: Tính nhanh 3×25×8+4×37×6+2×38×12

Toán Lớp 6: Tính nhanh
3×25×8+4×37×6+2×38×12

Comments ( 1 )

  1. 3 xx 25 xx 8 + 4 xx 37 xx 6 + 2 xx 38 xx 12
    = (3 xx 8) xx 25 + (4 xx 6) xx 37 + (2 xx 12) xx 38
    = 24 xx 25 + 24 xx 37 + 24 xx 38
    = 24 xx (25 xx 38 xx 37)
    = 24 xx 100
    = 2400

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

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