a) (3/4 + 3/12) + 2/5=7/5
b) (47/15 - 4/30) + (40/17 - 6/17)= 3 - 2 =1
| 66 | == | == | 1212 | == | ||
| 55 | 4040 | 3030 |
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 47 / 30 : 5/7 - 17/30 x 5/7
Tinh bang cach thuan tien nhat
4/7-2/5+17/7-3/5
giup minh voi minh dang can gap
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 15/5*2/3*2/4=
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
( 5 + 10 + 15 + 20 + 25 + 30 + 35 ) x ( 42 - 6 x 7 )
tinh bang cach thuan tien nhat
bai 4 tinh bang cach thuan tien nhat: b, 12/7*3/4-3/4*12/7 giup minh voi
a. 3/4 + 2/5 + 3/12=
b. 47/15 + 40/17 - 4/30 - 6/17=
Ai nhanh tui tick lẹ nhe!!!!!!!!!