Các câu hỏi tương tự
tinh bang hai cach
(6/11+5/11) * 3/7
(6/7-4/7) : 2/5
3/5 * 7/9 - 3/5 *2/9
8/15 : 2/11 + 7/15 :2/11
tinh bang cach thuan tien nhat a.3/5+4/7+2/5+1/7+2/7 b.1/3+1/6+4/3+2/6+2/3
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 hai cach: (3/4+1/2)*5/7
5/7*13/21+2/7*13/21
tinh 7/5+4/3+7/5+4/3
tinh bang hai cach
3/5 x 7/21 + 7/21 x 2/5
CAU EASY NAY
TINH BANG CACH THUAN TIEN NHAT
2/3 * 10/21 *3/2
22/5 * 12 * 5/12
7/2 * 28/81 * 2/7
5/17 * 21/4 * 47/15 * 0
tinh bang cach thuan tien nhat
a(6/11 + 5/11)*3/7
b.3/5 * 7/9 +3/5*2/9
c.(6/7 - 4/7) : 2/5
d.(8/15 : 2/11 + 7/15 : 2/11
tinh bang hai cach : {3/4+1/2}*5/7
Tinh Bang Hai Cach
A,(6/11+5/11)nhân 3/7 = 3/5 nhân 7/9 +3/5 nhân 2/9