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

Toán Lớp 6: ( 17 – 229) + ( 17 – 25 + 229) ; ( 125 – 679 + 145) – ( 125 – 679 ) 17. (15 – 16) + 16. (17 – 20) 15/ 15. (-176) + 15.76 + 100.15 1

Home/ Toán Lớp 6: ( 17 – 229) + ( 17 – 25 + 229) ; ( 125 – 679 + 145) – ( 125 – 679 ) 17. (15 – 16) + 16. (17 – 20) 15/ 15. (-176) + 15.76 + 100.15 1

Toán Lớp 6: ( 17 – 229) + ( 17 – 25 + 229) ; ( 125 – 679 + 145) – ( 125 – 679 ) 17. (15 – 16) + 16. (17 – 20) 15/ 15. (-176) + 15.76 + 100.15 1

Tháng Ba 24, 2023 Toán học 1 Comment 0 views

Toán Lớp 6: ( 17 – 229) + ( 17 – 25 + 229) ;
( 125 – 679 + 145) – ( 125 – 679 )
17. (15 – 16) + 16. (17 – 20)
15/ 15. (-176) + 15.76 + 100.15
16/ 79.89 – 79. (-11) – 100.79
153.177 – 153.77 + 100. (-77)
(-29). (85 – 47) – 85. (47 – 29)
(-167). (67 – 34) – 67. (34 – 167)

Comments ( 1 )

  1. annhocbichchaubich
    annhocbichchaubich
    24 Tháng Ba, 2023 at 11:55 chiều
    Reply
    Giải đáp:
    ( 17 – 229) + ( 17 – 25 + 229) ; 
    = ( – 212) + (17 – 25 + 229)
    = ( – 212) + 221
    = – 212 + 221
    = 9
    ( 125 – 679 + 145) – ( 125 – 679 ) 
    = ( – 409) – ( 125 – 679)
    = ( – 409) – ( – 554)
    =  – 409 – ( – 554)
    = – 409 + 554
    = 145
     17. (15 – 16) + 16. (17 – 20) 
    = 17. ( -1) + 16( 17 – 20)
    = 17. ( -1) + 16.( – 3)
    = – 17 + 16. (- 3)
    = – 17 – 48
    = – 65
    15/ 15. (-176) + 15.76 + 100.15
    = 1.(- 176) + 15. 76+ 100. 15
    = 1.(- 176) + 1140 + 100. 15
    = 1.(- 176) + 1140 + 1500
    = (- 176) + 1140 + 1500
    = – 176 + 1140 + 1500
    = – 176 + 2640
    = 2464
    16/ 79.89 – 79. (-11) – 100.79 
    = $\frac{16}{79}$ . 89 – 79. (-11) – 100.79 
    = $\frac{16}{79}$ . 89 + 869 – 100.79
    = $\frac{16}{79}$ . 89 + 869 – 7900
    = $\frac{1424}{79}$ + 869 – 7900
    = $\frac{1424}{79}$ – 7031
    = – $\frac{554025}{79}$
    153.177 – 153.77 + 100. (-77) 
    = 27081 – 153.77 + 100. (-77) 
    = 27081 – 11781 + 100. (-77) 
    = 27081 – 11781 – 7700
    = 7600
    (-29). (85 – 47) – 85. (47 – 29) 
    = (-29). 38 – 85. (47 – 29)
    = (-29). 38 – 85. 18
    = – 1102 – 85. 18
    = – 1102 – 1530
    = – 2632
    (-167). (67 – 34) – 67. (34 – 167)
    = (-167). 33 – 67. (34 – 167) 
    = (-167). 33 – 67. ( – 133)
    = – 5511 – 67. ( – 133)
    = – 5511 + 8911
    = 3400
    $#thuanhuy$
    $\text{Gửi bn}$
     

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

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