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

Toán Lớp 6: Tính nhanh 145 + 43 + ( – 145 ) + 57

Toán Lớp 6: Tính nhanh
145 + 43 + ( – 145 ) + 57

Comments ( 2 )

  1. Giải đáp:
    145 + 43 + ( – 145 ) + 57=145+43-145+57=(145-145)+(43+57)=0+100=100

  2. 145 + 43 + ( – 145 ) + 57
    =145+(-145)+43+57
    =0+43+57
    =43+57=100

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

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