[题目]-|||-计算:-|||-dfrac (1)(1times 2)+dfrac (2)(2times 4)+dfrac (3)(4times 7)+dfrac (4)(7times 11)+dfrac (5)(11times 16)+dfrac (6)(16times 22)+dfrac (7)(22times 29)+dfrac (8)(29times 37)

2.脱式计算。-|||-times dfrac (97)(99)-|||-dfrac (10)(21)times dfrac (7)(20)div dfrac

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

8.计算:-|||-(1) times (-5)-(-3)div dfrac (3)(128)-|||-(2) -7times (-3)times (-0.5)

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

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

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

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

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

用简便方法计算.-|||-dfrac (7)(10)times dfrac (1)(6)+dfrac (3)(10)div 6

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)/(