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

Toán Lớp 3: giúp em với ạa. 500 + 400 900 – 400 900 – 500 b. 700 + 50 750 – 50 750 – 700 c. 300 + 40 + 6 300 + 40 300 + 6

Toán Lớp 3: giúp em với ạa. 500 + 400
900 – 400
900 – 500
b. 700 + 50
750 – 50
750 – 700
c. 300 + 40 + 6
300 + 40
300 + 6

Comments ( 2 )

  1. 500 + 400 = 900
    900– 400 =500
    900 – 500 = 400
    b. 700 + 50 = 750
    750 – 50 = 700
    750 – 700 = 50
    c. 300 + 40 + 6 = 346
    300 + 40 = 340
    300 + 6 = 306
     

  2. 500 + 400=900
    900-400=500
     900-500=400
    B,700+50=750
    750 – 50 =700
    750-700=50
    C,300+40+6=346
    300+40=340
    300+6=306
     

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

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