160 - (23 . 52 - 6 . 25)
= 160 - (8 . 25 - 6 . 25
= 160 . [ 25 . (8-6) ]
= 160 . 50
= 8000
\(160-\left[2^3.5^2-6.25\right]\)
\(=160-\left[8.25-6.25\right]\)
\(=160-\left[25.\left(8-6\right)\right]\)
\(=160-\left[25.2\right]\)
\(=160-50\)
\(=110\)
160 - (23 . 52 - 6 . 25)
= 160 - (8 . 25 - 6 . 25
= 160 . [ 25 . (8-6) ]
= 160 . 50
= 8000
\(160-\left[2^3.5^2-6.25\right]\)
\(=160-\left[8.25-6.25\right]\)
\(=160-\left[25.\left(8-6\right)\right]\)
\(=160-\left[25.2\right]\)
\(=160-50\)
\(=110\)
\(160-\left(2^3.5^2-6.25\right)\)
bai 1: Tinh
C=1.3+2.4+3.5+......+99.101
giup minh moi minh dang can gap
cam on cac ban nhieu
giup minh lam 2 bai nay voi!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Giải bài nay =cách tìm x cua lop 6.dung nang cao qua minh k hieu.cac pan giup minh giai ki chi tiet bai nay giup minh nha!
3.(x-2)2-25=2
giup minh bai [2+4+6........+30]-[4+8+12+28
( x + 2 ) . ( x - 4 ) = 0
Ai giai giup minh bai nay voii a.
giup minh giai bai nay:n+5/2=n/3
giai giup minh bai toan nay voi : 2 .x -138= 2 mu 3 nhan 3 mu 2
Tinh A=1/1+2+1/1+2+3+...+1/1+2+3+...+n
giup minh nhe bai kho voi minh qua