Lay (59/18 + 46/9) + (75/14 + 15/7) + (5/2 + 47/18)
De et a
Lay (59/18 + 46/9) + (75/14 + 15/7) + (5/2 + 47/18)
De et a
tinh bang cach thuan tien nhat 47 / 30 : 5/7 - 17/30 x 5/7
Tinh bang cach thuan tien nhat
3/2 + 4/9 + 4/7 + 5/9
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
( 5 + 10 + 15 + 20 + 25 + 30 + 35 ) x ( 42 - 6 x 7 )
tinh bang cach thuan tien nhat
tinh bang cach thuan tien nhat
1+2+3+4+5+6+7+8+9:9 =
tinh bang cach thuan tien nhat
[72 x 135 + 9 x 28 x 15 ] : 25-3500 : 25
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 cach thuan tien nhat
54nhan 2 nhan 9 nhan 5
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