2 * 3 * 4 * 5 phan 6 * 7 * 8 * 9
GIUP MH VOI
MK CAN GAP
1 * 2 * 3 *4 phan 5 * 6 * 7 * 8
moi nguoi oi giup mk nha
mk can gap
dau * la dau nhan nhe
\(\frac{1\times2\times3\times4}{5\times6\times7\times8}\)
\(=\frac{1\times2\times3\times4}{5\times2\times3\times7\times4\times2}\)
\(=\frac{1}{5\times7\times2}\)
\(=\frac{1}{70}\)
\(\frac{1\times2\times3\times4}{5\times6\times7\times8}=\frac{6\times4}{6\times5\times7\times4\times2}=\frac{1}{5\times7\times2}=\frac{1}{70}\)
3/4 nhan [5/6+7/8]m can gap huhu
\(\dfrac{3}{4}.\left(\dfrac{5}{6}+\dfrac{7}{8}\right)\)
\(=\dfrac{3}{4}.\dfrac{41}{24}\)
\(=\dfrac{41}{32}\)
\(\dfrac{3}{4}\times\left(\dfrac{5}{6}+\dfrac{7}{8}\right)\text{=}\dfrac{3}{4}\times\left(\dfrac{40}{48}+\dfrac{42}{48}\right)\)
\(\text{=}\dfrac{3}{4}\times\left(\dfrac{41}{24}\right)\)
\(\text{=}\dfrac{41}{32}\)
tim cac phan so co tu so be hon 30 va: bang phan so 5/3 va bang phan so 4/7 dang cAN GAP
TINH A 2PHAN 8 NHAN 4 PHAN 7 CHIA 3PHAN 14 B 6 CHIA 1PHAN 3 NHAN 2PHAN 9 GIUP TO GAP TO CAN LOI GIAI CHI TIET VA NGAY BAY GIO
1*2*3*4*5*6*7*8*9*...................................*10000000000000000*.......................................................*999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999 ket qua la?
minh dang can gap
sắp xếp theo thứ tự tăng dần
1/2 , 2/3 , 3/4 , 4/5 , 5/6 , 6/7 , 7/8 , 8/9 , 9/10
sắp xếp theo thứ tự từ lớn đến bé
91/89 , 11/9 , 43/41 , 7/5
lam nhanh nhe minh can gap
câu a bạ sắp xếp rồi
mình chỉ làm câu b thôi
sắp xếp như sau:
\(\frac{7}{9};\frac{11}{9};\frac{43}{11};\frac{91}{89}\)
TIM MOT SO TU NHIEN BIET RANG SO DO CHIA 10 DU 9,CHIA 9 DU 8,CHIA 8 DU 7,CHIA 7 DU 6,CHIA 6 DU 5,CHIA 5 DU 4,CHIA 4 DU 3 CHIA 3 DU 2,CHIA 2 DU 1
CAN GAP
a) 7/-25+8/25 ; 4/5+4/-18 ; 7/21+9/-36
b) 12/20-2/5 ; 2/3-(-5/6) ; 6-3/20
c)2/21*(-7/3) ; 27/28*(-21) ; -15/7*(-14/25)
ai nhanh mk tk cho giup k nhe minh can gap
cau 1)
-2/3=.../9 5/7=-10/... .../5=-28/20 4/...=-4/3
cau2)
rut gon phan so 23.33phan 24.32 co ket qua la
a)3/2 b) 2/3 c) 3/4 d) 1/6
cau 3 thuc hien cac phep tinh
a) ( 3/8 + -1/4+ 5/1):2/3
b) 2/3.(-4/5+3/7) -2/7
lam minh nha minh dang can gap
cam on cac ban
1)-6,-14,-7,-3
2)a
3
a)(1/8+5):2/3
=41/5:2/3
=41/5x3/2=123/16
b)2/3x-13/35-2/7
=-26/105-2/7
=-8/15