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: bài 2 tính A 11-7mũ2+22:2 B 9 . (8 mũ2-15) C 5 . 8-(17+8):5 D 75 : 3+6 . 9 MŨ2

Toán Lớp 6: bài 2 tính
A 11-7mũ2+22:2
B 9 . (8 mũ2-15)
C 5 . 8-(17+8):5
D 75 : 3+6 . 9 MŨ2

Comments ( 2 )

  1. a) 11-7^2+22:2
    =11-49+11
    =22-49
    =-27
    b) 9.(8^2-15)
    =9.(64-15)
    =9.49
    =441
    c) 5.8-(17+8):5
    =5.8-25:5
    =40-5
    =35
    d) 75:3+6.9^2
    =25+6.81
    =25+486
    =511
     

  2. a) 11 – 7^2 + 22 : 2
    = 11 – 49 + 11
    = -38 + 11
    = -27
    b) 9.(8^2 – 15)
    = 9.(64 – 15)
    = 9.49
    = 441  
    c) 5.8 – (17 + 8) : 5
    = 40 – 25 : 5
    = 40 – 5
    = 35
    d) 75 : 3 + 6.9^2
    = 25 + 6.81
    = 25 + 486
    = 511

Leave a reply

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

About Ayla