\(15+\dfrac{9}{3}=15+3=18\)
~ học tốt ~
15 + \(\dfrac{9}{3}\)= 15 + \(\dfrac{3}{1}\) = 15 +3 = 18
tick mik nha bạn
\(15+\dfrac{9}{3}=15+3=18\)
~ học tốt ~
15 + \(\dfrac{9}{3}\)= 15 + \(\dfrac{3}{1}\) = 15 +3 = 18
tick mik nha bạn
15/14(14/9-3/7)-15/14(14/6-3/7)
Đúng ghi Đ sai ghi S:
a/ 3/6<1/3 b/ 3/6>1/3
c/ 9/15<12/16 d/ 9/15 >12/16
bài1
1) (-4/15)(-25/8)
2) 5/-14(-7/10)
3) -15/4(-16/25
4) 15(13/10
5) -21/9*-6/14
4/9 : 11/15 + 4/9 . 18/11 - 1/3
4/9 : 11/15 + 4/9 . 18/11 - 1/3
4/9 : 11/15 + 4/9 . 18/11 - 1/3
Tính
\(\frac{5-\frac{5}{3}-\frac{5}{9}-\frac{5}{27}}{8-\frac{8}{3}-\frac{8}{9}-\frac{8}{27}}\):\(\frac{15-\frac{15}{11}+\frac{15}{121}}{16-\frac{16}{11}+\frac{16}{121}}\)
15^9:3^9.5
Tính D :
D= 2^19*27^3+15*4^9*9^4/6^9*2^10+12^10