Các câu hỏi tương tự
bai 1 :thuc hien phep tinh
a)\(\frac{-5}{2}:\left(\frac{3}{4}-\frac{1}{2}\right)\) b) \(11\frac{3}{13}-\left(2\frac{4}{7}+5\frac{3}{13}\right)\) c)\(\left(\frac{-5}{24}+0,75+\frac{7}{12}\right):\left(-2\frac{1}{4}\right)^2\)
AI LAM NHANH VA DUNG THI MK SE TICK CHO NHA
MK DAG CAN GAP !!!!!!! CAC BAN LAM NHANH LEN NHA
bai 1 : thuc hien phep tinh:a) frac{-5}{2}:left(frac{3}{4}-frac{1}{2}right) b) 11frac{3}{13}-left(2frac{4}{7}+5frac{3}{13}right) c) left(frac{-5}{24}+0,75+frac{7}{12}right):left(-2frac{1}{4}right)^2AI LAM NHANH VA DUNG THI MK SE TICK CHO NGUOI DO HIHI ^_^
Đọc tiếp
bai 1 : thuc hien phep tinh:
a) \(\frac{-5}{2}\)\(:\left(\frac{3}{4}-\frac{1}{2}\right)\) b) \(11\frac{3}{13}-\left(2\frac{4}{7}+5\frac{3}{13}\right)\) c) \(\left(\frac{-5}{24}+0,75+\frac{7}{12}\right):\left(-2\frac{1}{4}\right)^2\)
AI LAM NHANH VA DUNG THI MK SE TICK CHO NGUOI DO HIHI ^_^
Bai 1 : Thuc hien phep tinh :
a ) 5 ^ 20 : ( 5^15 . 6 + 5^15 . 19 )
Minh can gap ,ai nhanh minh se tick cho nha .
bai 1 : tim cac so nguyen n sao cho cac phan so sau co gia tri nguyen:a) frac{n}{n-2}bai 2 : tim tat ca cac phan so bang phan so frac{8}{-12}mak tu so a cua phan so thoa man -4le a 17.bai 3 : cho A frac{n+1}{n-1}.Voi gia tri nao cua n thi Ala mot so chan ? Mot so nguyen am ?GIUP MK NHA MK DAG CAN GAP !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! AI NHANH VA DUNG THI MK SE TICK CHO NHA ^_^
Đọc tiếp
bai 1 : tim cac so nguyen n sao cho cac phan so sau co gia tri nguyen:
a) \(\frac{n}{n-2}\)
bai 2 : tim tat ca cac phan so bang phan so \(\frac{8}{-12}\)mak tu so a cua phan so thoa man \(-4\le a< 17.\)
bai 3 : cho \(A=\) \(\frac{n+1}{n-1}\)\(.\)Voi gia tri nao cua n thi \(A\)la mot so chan ? Mot so nguyen am ?
GIUP MK NHA
MK DAG CAN GAP !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
AI NHANH VA DUNG THI MK SE TICK CHO NHA ^_^
Bai 1 : So hoc sinh cua 1 truong la so co 3 chu so nho hon 300 .Moi lan xep hang 3,5,7 thi thieu 1 .Tinh so hoc sinh cua truong do .
Bai 2 : So hoc sinh cua truong la so co 3 chu so nho hon 300 .Moi lan xep hang 3 , 5, 7 thi thieu 2 .Tinh so hoc sinh cua truong do .
Ai lam nhanh va dung to se tick cho nha ,minh can gap .Mong cac ban giup minh nha ,minh hoc con chua tot
bai 1 : tim cac so nguyen x va y biet: x . y = -15
bai 2 : tim cac so nguyen n sao cho n - 3 chia het cho n - 1
CAC BAN GIUP MK NHA .
AI LAM NHANH VA DUNG THI MK SE TICK CHO ^ _ ^
Cho A =\(\frac{1}{11}+\frac{1}{12}+\frac{1}{13}+.......+\frac{1}{70}\)
CMR :
a , A > \(\frac{4}{3}\)
b , A < 2,5
NHO GIAI GIUP MINH NHA ( CHO LIKE KHI TRA LAI DUNG VA CACH LAM VA CONG THUC !!!!!!!!!!!!!!!!!!
SAU 48 GIO THI 1 LIKE CON TRUOC THI 3 LIKE
NHO LAM DUNG NHA
NEU CO NHIEU NGUOI THI NGUOI NHANH NHAT SE DUOC 4 LIKE
CAC BAN GIUP MINH NHA
GIUP SOM NHA BAI NAY HOI KHO DO
BAi 1
a) hay so sanh
\(\frac{2014}{2015}+\frac{2015}{2014}\)va \(\frac{666665}{333333}\)
b)tinh
A=\(\left(1-\frac{1}{28}\right)\left(1-\frac{1}{36}\right)\left(1-\frac{1}{45}\right)...\left(1-\frac{1}{1326}\right)\)
cac ban lam nhanh nhe minh dang can gap xong minh tick cho
tinh hop li :
\(\frac{\left(\frac{1}{5}-\frac{2}{7}\right)\cdot\frac{3}{4}-\frac{3}{4}\cdot\left(\frac{1}{3}-\frac{2}{7}\right)}{\frac{1}{5}\cdot\frac{2}{7}-\frac{1}{3}\cdot\left(\frac{2}{7}+\frac{3}{9}\right)+\frac{3}{9}+\frac{1}{5}}\)
cham la nhan nha cac ban
ai nhanh mk tick cho