脱式计算。-|||-① times (632-248)div 8] -|||-② div [ 212-(246-41)] -|||-⑦ times [ (478+298)div 4] -|||-③ [ 537-(728-699)] times 16-|||-⑧ times [ 234div (2times 3)] -|||-④ [ (81-56)times 19] div 5-|||-⑨ times [ (627-270)div 7] -|||-⑤ [ 200-(68+44)] div 8-|||-⑩ times [ (714-12)div 9] -|||-⑥ div [ (24+21)div 9]

脱式计算-|||-.881div 0.43-0.24times 3.5=-|||--(3.4+1.25times 2.4)=-|||-(31.8+3.2time

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

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

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

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

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

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

4.计算。-|||-(1)直接写得数。-|||-6+4.1=-|||-times 30=-|||-8.1-1.5=-|||-div 30=-|||-div 50

计算: (1)((-1))^10times 2+((-2))^3div 4; (2)((-1))^10times 2+((-2))^3div 4; (3)((-

dfrac (9)(25)times 101-9div 25dfrac (9)(25)times 101-9div 25