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

Toán Lớp 4: Tính nhanh 100×25+100×25 345+(120+155)

Toán Lớp 4: Tính nhanh
100×25+100×25
345+(120+155)

Comments ( 2 )

  1. 100×25+100×25
    =100x(25+25)
    =100×50
    =5000
    ——————
    345+(120+155)
    =345+155+120
    =500+120
    =620

  2. Answer
    100 xx 25 + 100 xx 25
    = 100 xx (25 + 25)
    = 100 xx 50
    = 5000
    __________________
    345 + (120 + 155)
    = 345 + 120 + 155
    = (345 + 155) + 120
    = 500 + 120
    = 620

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

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