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

Toán Lớp 5: 1×1×2×3×4×5×6×7×8×9=? 12345×189=?

Toán Lớp 5: 1×1×2×3×4×5×6×7×8×9=?
12345×189=?

Comments ( 2 )

  1. $@Zeng$
    $1×1×2×3×4×5×6×7×8×9$
    $=2×3×4×5×6×7×8×9$
    $=6×4×5×6×7×8×9$
    $=24×5×6×7×9×9$
    $=120×6×7×8×9$
    $=720×7×8×9$
    $=5040×8×9$
    $=40320×9$
    $=362880$
     

    toan-lop-5-1-1-2-3-4-5-6-7-8-9-12345-189

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