tinh :3va1/11*27/46*1va6/17*2va4/9
3 1/11 * 27 27/46 * 1 6/ 17 * 2 4/9
3(1/11) x 27(27/46) x 1(6/17) x 2(4/9)=
34/11 x 27/46 x 23/17 x 22/9
\(\frac{34}{11}\cdot\frac{27}{46}\cdot\frac{23}{17}\cdot\frac{22}{9}\)
\(=\frac{34\cdot27\cdot23\cdot22}{11\cdot46\cdot17\cdot9}\)
\(=\frac{2\cdot17\cdot3\cdot3\cdot3\cdot23\cdot2\cdot11}{11\cdot2\cdot23\cdot17\cdot3\cdot3}\)
\(=\frac{3\cdot2}{1}\)
\(=6\)
=))
\(\frac{34}{11}x\frac{27}{46}x\frac{23}{17}x\frac{22}{9}\)
= 2/1 x 3/2 x 1/1 x 2/1
= 6
\(\frac{34}{11}.\frac{27}{46}.\frac{23}{17}.\frac{22}{9}\)
\(=\frac{34.27.23.22}{11.46.17.9}\)
\(=\frac{3.2}{1}=6\)
Hơi tắt chút nha, sorry !!!
tinh hop li nhat:
1).25 va 2/13-(15/17+15 va 2/3)
2).3 va 1/11*27/46*1 va 6/17*2 va 4/9
3).75,284*15,137*(9,5-4,75*2)+231*(7,35+2,65)
giúp mình nhak mn
3\(\dfrac{1}{11}\) x \(\dfrac{27}{46}\) x 1\(\dfrac{6}{17}\) x 2 \(\dfrac{4}{9}\)
1. Tính:
3 và 1/11 x 27 và 27/46 x 1 và 6/17 x 2 và 4/9
=88.57596425 nha bn.
3 va 1/11 x 27 va 27/46 x 1 va 6/17 x 2 va 4/9 = .....
giai giup minh voi minh gap qua
\(3\frac{3}{11}x27\frac{27}{46}x1\frac{6}{17}x2\frac{4}{9}=\frac{34x1269x23x22}{11x46x17x9}=\frac{2x17x141x9x23x2x11}{11x23x17x9}=282\)
Tính nhanh giá trị biểu thức sau:
A=34/11*27/46*23/17*22/9
\(A=\dfrac{34}{11}.\dfrac{27}{46}.\dfrac{23}{17}.\dfrac{22}{9}\)
\(A=\dfrac{34.27.23.22}{11.46.17.9}=\dfrac{17.2.9.3.23.11.2}{11.23.2.17.9}=\dfrac{2.3}{1}=\dfrac{6}{1}=6\)
1+2+3+46+7+8+9+10+11+12+13+14+15+16+17+18+19+20+21+22+23+24+25+26+27+28+29+30+0000000000000000000000000001
= 497 nha bạn
Tk mình nhé ! Tk mình mình tk lại