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

Toán Lớp 4: a) 2 x 3 x 4 b) 24 x 2 x 4 3 x 4 x 5 16 x 5 x 2 10 x 9 x 8

Toán Lớp 4: a) 2 x 3 x 4 b) 24 x 2 x 4
3 x 4 x 5 16 x 5 x 2
10 x 9 x 8 37 x 3 x 2

Comments ( 2 )

  1. a 2x3x4=24                                                     b 24x2x4=192
       3x4x5=60                                                        16x5x2=160
       10x9x8=720                                                    37x3x2=222
     

  2. a) 2 × 3 × 4
    = 6 × 4
    = 24
    3 × 4 × 5
    = 12 × 5
    = 60
    10 × 9 × 8
    = 90 × 8
    = 720
    b) 24 × 2 × 4
    = 48 × 4
    = 192
    16 × 5 × 2
    = 80 × 2
    = 160
    37 × 3 × 2
    = 111 × 2
    = 222

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