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

Toán Lớp 6: bỏ dấu ngoặc rồi tính (81-35)-(65-13)- (7-19) – (56-61+42) – (44-142)-161 535_(481_65)-( 19 -50)

Toán Lớp 6: bỏ dấu ngoặc rồi tính
(81-35)-(65-13)- (7-19)
– (56-61+42) – (44-142)-161
535_(481_65)-( 19 -50)

Comments ( 2 )

  1. Giải đáp: -94
                  150
     
    Lời giải và giải thích chi tiết:
        (81-35)-(65-13)- (7-19) – (56-61+42) – (44-142)-161 
     = 81-35-65+13-7+19-56+61-42-44+142-161
    = -94
        535_(481_65)-( 19 -50)
    = 535-481+65-19+50
    = 150

  2. $#DUCK$
    (81-35)-(65-13)- (7-19)
    = 81 – 35 – 65 + 13 – 7 + 19
    = (81 + 19) + ( -35 – 65) + (13 -7)
    = 100 – 100 + 6
    = 6
    – (56-61+42) – (44-142)-161
    = -56 + 61 – 42 – 44 + 142 – 161
    = ( -56 – 44 ) + ( 61 – 161 ) + ( -42 + 142)
    = -100 – 100 + 100
    = -100
    535-(481-65)-( 19 -50)
    = 535 – 481 + 65 – 19 + 50
    = ( 535 + 65 ) + ( -481 – 19 ) + 50
    = 600 – 500 + 50
    = 150
     

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