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

Toán Lớp 2: 12×5+12×5+12×6 23×5+23×10+23×5 82×4+5×82+82

Toán Lớp 2: 12×5+12×5+12×6
23×5+23×10+23×5
82×4+5×82+82

Comments ( 2 )

  1. Giải đáp:
     12×5+12×5+12×6
    =12x(5+5+6)
    =12×16
    =192
    23×5+23×10+23×5
    =23x(5+10+5)
    =23×20
    =460
    82×4+5×82+82
    =82x(4+5+1)
    =82×10
    =820

  2. a)12×5+12×5+12×6
    =12x(5+5+6)
    =12×16
    =192
    b)23×5+23×10+23×5
    =23x(5+10+5)
    =23×20
    =460
    c)82×4+55×82+82
    =82x(4+55+1)
    =82×60
    =492
    @Chúc bạn học tốt!
     

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