\(\frac{\left(\frac{3}{15}+\frac{1}{4}+\frac{7}{20}\right).\frac{17}{9}}{5\frac{1}{3}+\frac{2}{5}}=\frac{\left(\frac{4+5+7}{20}\right).\frac{17}{9}}{\frac{16}{3}+\frac{2}{5}}\)
= \(\frac{\frac{4.17}{5.9}}{\frac{86}{15}}=\frac{68}{45}:\frac{86}{15}=\frac{34}{129}\)
Tíc nhé! :")
Tinh gia tri bieu thuc:
1-1/2-1/4-1/8-1/16-1/32=
minh dang gap
nho ket ban voi minh nhe
tinh gia tri bieu thuc
6 : 3/5_11/6 *6/7
tat ca tren
4 va 1/5*10/11+ 5 va 2/11
6/ tinh gia tri cua bieu thuc M, voi a = 119 va b = 0, biet: M = b: (119 x a + 2005) + (119 : a - b x 2005)
7/ Tinh gia tri bieu thuc a) [17/10 + 7 - 8,7 ] : [ 23/4 - 11/2 + 9/25 ] x [ 12,98 x 0,25 ] + 12,5
ai lam nhanh nhat minh tich cho
1+(1+2)+(1+2+3)+(1+2+3+4)+...+(1+2+3+4+...+2012)
1x2012+2x2012+3x2010+....+2012x1
tinh gia tri bieu thuc tren.(giai giup minh voi,dang voi)
tinh gia tri bieu thuc
[6 : 3/5 - 1 va 1/6 x 6/7] : [4 va 1/5 x 10/11 + 5 va 2/11]
tinh gia tri bieu thuc:
m=1/1+2+1/1+2+3+1/1+2+3+4+1/1+2+3+4+5=....
Giúp mình voi minh can gap lam cac ban oi
Tinh gia tri cac bieu thuc sau
(75 * 224 *10 ) : 25
(328 * 17 ) * (1859 -326 ) * ( 49 *24 - 98 *12)
3/11 + 7/22 *2 - 5/ 11
5/8 - 1/3 : 3 + 3 va 4/9
Tinh gia tri cua bieu thuc:
a.1/42+1//30+1/20+1/12+1/6+1/2
b.14/6+1/9+19/13+17/9+7/13+4/6
TINH GIA TRI CUA BIEU THUC:
( 3/20 + 1/2 - 1/15) X 12/49
3.1/3 + 2/9