TINH BANG CACH THUAN TIEN NHAT
490*365-390*365=?
2364+37*2367+63=?
Tinh bang cach thuan tien nhat:
a) 2*63*5 b) 37*5*20 c) 2*175*50 d)263*15*4
Tinh bang cach thuan tien nhat
( 48 + 32 + 56 ) : 8
tinh bang cach thuan tien nhat
16*48+8*48+32*14
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
2*25*50*8
12*11+21*11+11*33
tinh bang cach thuan tien nhat 47 / 30 : 5/7 - 17/30 x 5/7
bai 4 tinh bang cach thuan tien nhat: b, 12/7*3/4-3/4*12/7 giup minh voi
Tinh bang cach thuan tien nhat
4/7-2/5+17/7-3/5
giup minh voi minh dang can gap