Các câu hỏi tương tự
[109/6-(0,06:15/2+17/5.0,38]:(16-8/3.19/4)
tinh gia tri cua bieu thuc: B=1*2*3+2*3*4+3*4*5+4*5*6+.....+17*18*19
Tim gia tri bieu thuc
215.94
66.83
\(\frac{4^6\cdot9^5+6^9\cdot120}{8^4\cdot3^{12}-6^{11}}\)Tinh gia tri bieu thuc
giai gium minh nha
Cho bieu thuc A = \(^{x2+4x+3}\)
a Tinh gia tri bieu thuc tai x= \(\frac{-1}{2}\)
b Tinh gia tri x de bieu thuc A bang 0
tinh gia tri bieu thuc sau
x2 + x^4 + x^6 + x^*+ . . .+x^100 tai x= -1
tinh gia tri bieu thuc E=x^+x^4+x^6........=x^48+x^100
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
[109/6 - (0,06 : 15/2 + 17/5 . 0,38)] : (19 - 8/3 . 19/4)