cho A=40+3/8+7/8^2+5/8^3+32/8^5
b=24/8^2+40+5/8^2+40/8^4+5/8^4
hay so sanh a voi b
giải chi tiết nhé
A=40+3/8+7/82+5/83+32/85
B=24/82+40+5/82+4/84+5/84
hay so sanh A va B
so sanh a va b
a, A=20/39 +22/27 + 18/43 B=14/39 +22/29+18/41
b, A=3/8^3 + 7/8^4 B= 7/8^3 + 3/8^4
A=3/8^3+-7/8^4 và B=-7/8^4+3/8^3. So sánh A và B
So sánh A và B :
a,A=20/39+22/27+18/43,B=14/39+22/29+18/41
b,A=3/8^3+7/8^4,B=7/8^3+3/8^4
c,A=10^7+5/10^7-8,B=10^8+6/10-7
d,A=10^1992+1/10^1991+1,B=10^1993+1/10^1992+1
a) A=20/39 + 22/27 + 18/23.
B+14/39 + 22/29 + 18/41.
b) A=3/8^3 + 3/8^4 + 4/8^4.
B=4/8^3 + 3/8^3 + 3/8^4
c) A=10^7+5/10^7-8
B=10^8+6/10^8-7
d) A=10^1992+1/10^1991+1
B= 10^1993+1/10^1992+1
ai tra loi dc cau nao thi noi nha
a.1/7.-3/8+-13/8
b.3/5.13/40-1/10.16/23
c.(-3/4+2/5):3/7+(3/5+1/4):3/7
d.7/8:(2/9-1/8)+7/8:(1/6-5/12)
e.(-2/3+3/7):4/5+(-1/3+4/7):4/5
Giúp mình với..
a) 1*2*3*4*5*6*7*8*9
b) 2*2*3*3*4*4*5*5*6*6*7*7*8*8*9*9
4, so sánh A và B:
a,A=\(\dfrac{3}{8^3}+\dfrac{7}{8^4}\);B=\(\dfrac{7}{8^3}+\dfrac{3}{8^4}\)
b,A=\(\dfrac{10^7+5}{10^7-8}\);B=\(\dfrac{10^8+6}{10^8-7}\)
c,A=\(\dfrac{10^{1992}+1}{10^{1991}+1}\);B=\(\dfrac{10^{1993}+1}{10^{1992}+1}\)
