=(1.25-1.25)-(6.75-6.75)+11x65+11x3x5
=0-0+11x(65-15)
=11x50
=550
1.25 - 6.75 + 6.75 + 11 x 65 -1.25+33 x 5
=(1.25-1.25)+(6.75-6.75)+11.65+11.3.5
=0+0+11.65+11.(3.5)
=11.65+11.15
=11.(65+15)
=11.80
=880
Bạn "Frisk" sai dấu nha,dòng 3
6.75*1.25-0.675*120-6.75*13
Tinh bang cach thuan tien nhat:
a.20,13 x 84,5 x 20,13
b. 4,5 x 11/5 + 5,5 x 11/5
Tinh bang cach thuan tien nhat
20\11×33\23×69\180=?
Tinh bang cach thuan tien nhat:
a/ 7,8 x 34,5 + 15,5 x 7,8
b/ 3/7 x 11/5 + 4/7 x 11/5
tinh bang cach thuan tien 3/5 x 7/9 + 11/9 x 3/5 - 3/10. B 14/13 : 1/2 + 3/13 x2 -2 x 7/13
tinh bang cach thuan tien
\(\frac{20}{11}\)X\(\frac{33}{23}\)X\(\frac{69}{180}\)
tinh bang cach bang thuan tien nhat
a, 20/11 * 33/23 * 69/180
b, (675,98 + 888,66 + 111,34 ) * 0,01
Tinh bang cach thuan tien nhat 4/15+8/13+11/5+5/13
Tinh bang cach thuan tien nhat:
40,16 x 2,5 : 5
