8.计算:-|||-(1) times (-5)-(-3)div dfrac (3)(128)-|||-(2) -7times (-3)times (-0.5)+(-12)times (-2.6);-|||-(3) (1dfrac (3)(4)-dfrac (7)(8)-dfrac (7)(12))div (-dfrac (7)(8))+(-dfrac (7)(8))div (1dfrac (3)(4)-dfrac (7)(8)-dfrac (7)(12))-|||-(4) -|-dfrac (2)(3)|-|-dfrac (1)(2)times dfrac (2)(3)|-|dfrac (1)(3)-dfrac (1)(4)|-|-3|.

计算：(1)(-0.02)times (-20)times (-5)times 4.5；(2)(-6.5)times (-2)div (-dfrac(1)(3)

[题目]-|||-计算:-|||-dfrac (1)(1times 2)+dfrac (2)(2times 4)+dfrac (3)(4times 7)+dfr

1.计算:-|||-(1) times ((dfrac {1)(2)-dfrac (1)(3))}^2;-|||-(2) .7div (-dfrac (8)(1

-27div 3=-|||-+63div 7=-|||-div 5+87=-|||-times 5-40=-|||-+7times 6=-|||--3times

填空-|||-dfrac (1)(3)times 3div dfrac (1)(3)times 3= __

[题目]计算:-|||-(1) ((-1))^100times 5+((-2))^4div 4 ;-|||-(2) ((-3))^3-3times ((-dfr

计算下面各题。-|||-div dfrac (11)(8)=-|||-dfrac (2)(5)times dfrac (1)(2)=-|||-dfrac (3)

(2016春• 无锡校级月考)计算 (1)((-a))^7div ((-a))^4times ((-a))^3(2)((-a))^7div ((-a))^4ti

1.用简便算法计算下面各题。(2)/(9) - (7)/(16) times (2)/(9)(2)/(5) times 4 times (3)/(4)(5)/(

+5000times 3.25% times 2=-|||-div 25% =-|||--500times 20% =-|||-+3500times 2.25%