= (5*3)/(2*17)+(15*101)/34 - 30/34
= 15/34 + 1515/34 - 30/34
= 750/17
= (5*3)/(2*17)+(15*101)/34 - 30/34
= 15/34 + 1515/34 - 30/34
= 750/17
1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+149+20+21+22+23+24+25+26+27+28+29+30+31+32+33+34+35+36+37+38+39*100
7/9 x 3/5 = ?
9/22 x 55 = ?
11/17 : 33/34 = ?
7/9 * 3/35 =
9/22 * 55 =
11/17: 33/34
* là nhân nhé các bạn
tính 1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20+21+22+23+24+25+26+27+28+29+30+31+32+33+34+35+36+37+38+39+40+41+42+43+44+45+46+47+48+49+50-999-888-777-666-555-444-333-222-111
nhanh nhé
Tính nhanh:
A = \(\frac{\frac{2}{13}+\frac{2}{15}-\frac{2}{11}}{\frac{68}{34}+\frac{68}{30}-\frac{68}{22}}+\frac{\frac{32}{10}+\frac{32}{14}-\frac{32}{18}}{\frac{17}{5}+\frac{17}{7}-\frac{17}{9}}\)
9/22 x 55 =?
11/17 : 33/34 =?
a) 21/11 x 22/17 x 68/63
b) 5/14 x 7/13 x 26/25
c) 7/9 x 3/35 x 17/9
d) 11/17 : 33/34
e) 15,7 : 6,28
Tính;
7/9 3/35 ; 9/22 x 55 ; 11/17 : 33/34
Tính bằng cách thuận tiện nhất:
6/15 x 45/12 x 11/34 x 17/33