( 5 + 10 + 15 + 20 + 25 + 30 + 35 ) x ( 42 - 6 x 7 )
= ( 5 + 10 + 15 + 20 + 25 + 30 + 35 ) x ( 42 - 42 )
= ( 5 + 10 + 15 + 20 + 25 + 30 + 35 ) x 0
= 0
tinh bang cach thuan tien nhat 47 / 30 : 5/7 - 17/30 x 5/7
tinh bang cach thuan tien nhat
[72 x 135 + 9 x 28 x 15 ] : 25-3500 : 25
Tinh bang cach thuan tien nhat
320 x 25 + 125 x 56
TINH BANG CACH THUAN TIEN NHAT
1/6 + 1/12 +1/ 20 + 1/30
tinh bang cach thuan tien nhat
( 135 * 25 ) : 5
tinh bang cach thuan tien nhat
59/18 + 75/14 + 46/9 + 5/2 + 47/18 + 15/7
giup minh
tinh bang cach thuan tien
3/7 x 5/6 + 4/7 x 5/6
tinh bang cach thuan tien nhat
1+2+3+4+5+6+7+8+9:9 =
tinh bang cach thuan tien nhat; 25*1357*4; giai ho yui nha
