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

Toán Lớp 6: 500-{5[409-(8.3-21).3]+1000}:5=

Toán Lớp 6: 500-{5[409-(8.3-21).3]+1000}:5=

Comments ( 2 )

  1. Giải thích các bước
    500-{5[409-(8.3-21).3]+1000}:5=500-{5[409-3.3]+1000}:5
                                                      =500-{5.400+1000}:5
                                                      =500-3000:5
                                                      =500-600
                                                      =-100
    cho mình ctrlhn nhé
     

  2. 500-{5[409-(8.3-21).3]+1000}:5
    =500-{5[409-(24-21).3]+1000}:5
    =500-{5[409-3.3]+1000}:5
    =500-{5[409-9]+1000}:5
    =500-[5.400+1000]:5
    =500-[2000+1000]:5
    =500-3000:5
    =500-600
    =(-100)
     

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