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

Toán Lớp 6: (4+32+6)+(10-32-2) 300:4+300:6-25 17.[39(-111)]+29.(-17) 19.43+(-20).43-(-40) Giải giúp em vs ạ

Toán Lớp 6: (4+32+6)+(10-32-2)
300:4+300:6-25
17.[39(-111)]+29.(-17)
19.43+(-20).43-(-40)
Giải giúp em vs ạ

Comments ( 2 )

  1. ~~ Bạn tham khảo nhé ~~
    (4 + 32 + 6) + ( 10 – 32 – 2)
    = 4 + 32 + 6 + 10 – 32 – 2
    = (32 – 32)+ (4+6 + 10 – 2)
    = 0 + 18 = 18
    300/4 + 300/6 – 25
    = \frac{900}{12} + \frac{600}{12} – 25
    = \frac{1500}{12} – 25
    = \frac{1500}{12} – \frac{300}{12}
    = \frac{1200}{12} = 100
    17 . [39 . (-111)] + 29 . (-17)
    = 17 . (-4329) – 29 . 17
    = 17 . [(-4329) – 29]
    = 17 . (-4358) = -74086
    19 . 43 + (-20) .43 – (-40)
    = 43. [19 + (-20)] + 40
    = 43 . (-1) + 40
    = -43 + 40 = -3
    #OHKA

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