Các câu hỏi tương tự
thuc hien phep tinh (Tinh nhanh neu co the)
(-5/12+7/4-3/8)-|4 va 1/2 -7 va 1/2|-( 1/4-5/2)
Thuc hien phep tinh(nhanh neu co the)
1024:2^4+140:(38+2^5)-49^22:7^21
thuc hien phep tinh a=(155-10/7-5/11+5/23)/(403-26/7/13/11+13/23)+(3/5+3/13-0.9)/(7/91+0.2-3/10)
thuc hien phep tinh
a)(-3/7)^21 : (9/49)^6
b)3-(-67)^0+(1/2)^2 :2
thuc hien phep tinh (1-1/(1+2)).(1-1/(1+2+3))...(1-1/(1+2+3+...+2006))
Thuc hien phep tinh :
\(\frac{3^8.16^2}{12^4.8^3}\)
Thuc hien phep tinh:
B=1/3+1/3^2+1/3^3+...+1/3^2004+1/3^2005
Thuc hien phep tinh :
\(\frac{15^3+5.15^2-5^3}{18^3+6.18^2-6^3}\)
a;1/2-1/3.7-1/7.11-1/11.15 -1/15.19-1/19.23-1/23.27 thuc hien phep tinh