= ( 325 : 5 ) x ( 63 : 9 )
= 65 x 7
= 455
h nha
( 325 x 63 ) : ( 5 x 9 ) = ( 325 : 5 ) x ( 63 : 9 ) = 65 x 7 = 455
bai 4 tinh bang cach thuan tien nhat: b, 12/7*3/4-3/4*12/7 giup minh voi
bai 4: tinh bang cach thuan tien nhat: a, 5/9*5/2+4/9*5/2 , b, 12*3/4-3/4*12/7 lam kieu gi
giup minh voi
Tinh bang cach thuan tien nhat
4/7-2/5+17/7-3/5
giup minh voi minh dang can gap
giup minh
tinh bang cach thuan tien
7/9 x 5/16 : 5/9 x 4/7
giup minh
tinh bang cach thuan tien
3/7 x 5/6 + 4/7 x 5/6
tinh tong cac so chia het cho 4
giup minh voi mai minh phai nop roi
1.Tim hai so le co ti so la 5/7 biet giua chung co 5 mam so chan lien tiep
2.tinh bang cach thuan tien 1/6+1/12+1/20+1/30+1/42
MONG CAC BAN GIUP MINH
mot cua hang ban dau chi co 1 chiec can loai 3 lit va 1 chiec can loai 5 lit hay giup co ban hang dong duoc 4 lit dau cho khach voi 2 chiec can do
giup mk voi mai mk nop bai nay roi !!!!!!!!!
tinh bang cach thuan tien nhat ?
19/15 + 31/23 - 4/15 - 8/23 =.............
va bai , Mgot doi cong nhan sua 1 quang duong Ngay thu 1 sua dc 3/8 quang duong ngay thu 2 sua dc 1/3 quang duong.Hoi doi cong nhan can phai sua bao nhieu phan quang duong nua
ai giup minh tra loi thi minh se kb
