=(1/9+1/3)+(2/5+3/10) =(1/9+3/9)+(4/10+3/10) =4/9+7/10 =40/90+63/90 =103/90
=(1/9+1/3)+(2/5+3/10) =(1/9+3/9)+(4/10+3/10) =4/9+7/10 =40/90+63/90 =103/90
tinh bang cach thuan tien nhat
1+2+3+4+5+6+7+8+9:9 =
Tinh bang cach thuan tien nhat
3/2 + 4/9 + 4/7 + 5/9
tinh bang cach thuan tien:
3/5+4/7+2/5+1/7+2/7=
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 cach thuan tien nhat
54nhan 2 nhan 9 nhan 5
tinh bang cach thuan tien nhat:
2\(\frac{2}{5}+\frac{1}{6}+\frac{3}{5}\)
tinh bang cach thuan tien nhat 15/5*2/3*2/4=
tinh bang cach thuan tien nhat
a) 2/5 + 1/6 + 3/5
b) 9/13 + 4/13 + 2/3