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: a. 578 + 125 + 422 + 375 b. 36.13+64.37+36.87+64.63 c.2^2.85+15.2^2-2020 d.(56.35+56.18):53 e. 50+[65-(9-4)^2]

Home/ Toán Lớp 6: a. 578 + 125 + 422 + 375 b. 36.13+64.37+36.87+64.63 c.2^2.85+15.2^2-2020 d.(56.35+56.18):53 e. 50+[65-(9-4)^2]

Toán Lớp 6: a. 578 + 125 + 422 + 375 b. 36.13+64.37+36.87+64.63 c.2^2.85+15.2^2-2020 d.(56.35+56.18):53 e. 50+[65-(9-4)^2]

Tháng Năm 27, 2022 Toán học 2 Comments 0 views

Toán Lớp 6: a. 578 + 125 + 422 + 375 b. 36.13+64.37+36.87+64.63 c.2^2.85+15.2^2-2020 d.(56.35+56.18):53 e. 50+[65-(9-4)^2] f. 3^7 : 3^3 +2^3:4 g. [ (36-22)^2 -(64 -52)^2].36-872 h.5^6:5^5+2^2.2^4-2022

Comments ( 2 )

  1. huenthanh97
    huenthanh97
    27 Tháng Năm, 2022 at 4:00 sáng
    Reply
    a. 578 + 125 + 422 + 375
    = ( 578 + 422 ) + ( 125 +375 )
    = 1000 + 500
    = 1500
    b. 36 × 13 + 64 × 37 + 36 × 87 + 64 × 63
    = 36 × ( 13 + 87 ) + 64 × ( 37 + 63 ) 
    = 36 × 100 + 64 × 100
    = 100 × ( 36 + 64 )
    = 100 × 100
    = 10000
    c.2^2 × 85 + 15 × 2^2 – 2020
    = 4 × 85 + 15 × 4 – 2020
    = 340 + 60 – 2020
    = 400 – 2020
    = -1620
    d.( 56 × 35 + 56 × 18 ) : 53
    = [ 56 × ( 35 + 18 )] : 53
    = [ 56 × 53 ] : 53
    = 56 × ( 53 : 53 )
    = 56 × 1
    = 56
    e. 50 +[ 65 – ( 9 – 4 )^2 ]
    = 50 +[ 65 – 5^2 ]
    =50 + [ 65 – 25 ]
    = 50 + 40
    =90
    f. 3^7 : 3^3 + 2^3 : 4
    = 3^(7 – 3) + 2^3 : 4
    = 3^4 + 8 : 4
    = 81 + 2
    = 83
    g. [( 36 – 22 )^2 – (64 -52)^2] × 36 – 872
    = [ 14^2 – 12^2 ] × 36 – 872
    = [ 196 – 144 ] × 36 – 872
    = 52 × 36 – 872
    = 1872 – 872
    = 1000
    h.5^6 : 5^5 + 2^2× 2^4 – 2022
    = 5^(6 – 5) + 2^(2 + 4) – 2022
    = 5 + 2^6 – 2022
    = 5 + 64 – 2022
    = 69 – 2022
    = -1953
     

  2. daithanh
    daithanh
    27 Tháng Năm, 2022 at 4:00 sáng
    Reply
    a)578+125+422+375
    =(578+422)+(125+375)
    =1000+500
    =1500
    b)36.13+64.37+36.87+64.63
    =36.(13+87)+64.(37+63)
    =36.100+64.100
    =100.(36+64)
    =100.100
    =10000
    c)2^2. 85+15.2^2-2020
    =4.(85+15)-2020
    =4.100-2020
    =400-2020
    =-1620
    d)(56+35+56.18):53
    =[56.(35+18)]:53
    =[56.53]:53
    =2968:53
    =56
    e)50+[65-(9-4)^2]
    =50+[65-5^2]
    =50+[65-25]
    =50+40
    =90
    f)3^7:3^3+2^3:4
    =3^4+8:4
    =81+2
    =83
    g)[(36-22)^2-(64-52)^2].36-872
    =[14^2-12^2].36-872
    =[196-144].36-872
    =52.36-872
    =1872-872
    =1000
    h)5^6:5^5+2^2. 2^4-2022
    =5+2^6-2022
    =5+64-2022
    =69-2022
    =-1953

Leave a reply

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

Audrey

About Audrey