Register Now

Login

Lost Password

Lost your password? Please enter your email address. You will receive a link and will create a new password via email.

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

Toán Lớp 6: Thực hiện phép tính nhanh toán 6a) 13.6-120:8 b)129.36-36.30+36 c)95-95:{6⁶:6⁴-[(12-9)²+1²⁰²¹]}

Toán Lớp 6: Thực hiện phép tính nhanh toán 6a) 13.6-120:8
b)129.36-36.30+36
c)95-95:{6⁶:6⁴-[(12-9)²+1²⁰²¹]}

Comments ( 2 )

  1. a) 13 . 6 – 120 : 8
    = 78 – 15
    = 63
    b) 129 . 36 – 36 . 30 + 36
    = 36 . (129 – 30 + 1)
    = 36 . 100
    = 3600
    c) 95 – 95 : { 6^{6} : 6^{4} – [(12 – 9)^{2} + 1^{2021}]}
    = 95 – 95 : { 6^{2} – [ 3^{2} + 1]}
    = 95 – 95 : { 36 – 10}
    = 95 – 95 : 26
    = 95 – 95/26
    = 2375/26
     

  2. Answer
    a, 13 . 6 – 120 : 8
    = 78 – 15
    = 63
    __________________
    b, 129 . 36 – 36 . 30 + 36
    = 36 . (129 – 30 + 1)
    = 36 . (99 + 1)
    = 36 . 100
    = 3600
    _____________________
    c, 95 – 95 : {6^{6} : 6^{4} – [(12 – 9)^{2} + 1^{2021}]}
    = 95 – 95 : {6^{2} – [(3)^{2} + 1]}
    = 95 – 95 : {36 – [9+ 1]}
    = 95 – 95 : {36 – 10}
    = 95 – 95 : 26
    = 95 – 95/26
    = 2375/26

Leave a reply

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