Các câu hỏi tương tự
cho bieu thuc:
A=(6-2/3+1/2)-(5+5/3-3/2)-(3-7/3+5/2)
hay tinh gia tri cua A theo hai cach
cach 1:truoc het tinh gia tri tung bieu thuc trong ngoac
cach 2:bo dau ngoac roi nhom cac so hang thich hop
Tim gia tri nho nhat cua cac bieu thuc sau:
a.(2x+1/3)^2-5/6
b.|2x-3|+|y-1/2|+3/4
Tinh gia tri bieu thuc sau:a.(2/3)^3^0-(5/3-3/4)^2. b.(53/4-59/27-65/6).230.1/25+187/4):(10/7+10/3):(37/7-100/7)
1) Tinh gia tri cua bieu thuc:
A=\(\frac{\left(1+2+...+100\right)\left(\frac{1}{2}-\frac{1}{3}-\frac{1}{4}-\frac{1}{5}\right)\left(2,4.42-21.4,8\right)}{1+\frac{1}{2}+\frac{1}{3}+\frac{1}{4}+...+\frac{1}{100}}\)
B=\(\frac{4^6.9^5+6^9.120}{-8^4.3^{12}+6^{11}}\)
tim cac gia tri cua x de bieu thuc 3/4*x-1>1/2*x+5
tinh gia tri cua cac bieu thuc sau
\(\frac{20^{5.}5^{10}}{100^5}\)
b)\(\frac{6^3+3.6^2+3^3}{-13}\)
c)\(\frac{4^6.9^5+6^9.120}{8^4.3^{12}-6^{11}}\)l
tinh nhanh gia tri cua bieu thuc voi x,y nhan bat ki gia tri nao:
\(\frac{1}{3}x^2y\left(3xy\right)^2y^4+\frac{1}{2}x\left(-2xy\right)^3y^4+x^4y^7+18\)
TIM GIA TRI LON NHAT CUA BIEU THUC :
C=2+12/3x/X+5/+4
TIM GIA TRI NHO NHAT CUA BIEU THUC
C= -15/ 4x / 3X+7/+3
tinh gia tri cua cac bieu thuc
A=3a-2b\a-3b voi a\b=10\3
B=a-8\b-5 - 4a-b\3a+a voi a-b = 3 va b khac 5 b khac -4