4.计算。-|||-(1)直接写得数。-|||-6+4.1=-|||-times 30=-|||-8.1-1.5=-|||-div 30=-|||-div 50
8.计算:-|||-(1) times (-5)-(-3)div dfrac (3)(128)-|||-(2) -7times (-3)times (-0.5)
-27div 3=-|||-+63div 7=-|||-div 5+87=-|||-times 5-40=-|||-+7times 6=-|||--3times
[主观题]直接写出得数。5.65×10=2.8×100=0.006×1000=0.396×10=0.418×100=71.2×1000=
脱式计算。-|||-① times (632-248)div 8] -|||-② div [ 212-(246-41)] -|||-⑦ times [ (478
() =0.75= ()div 20= ()% = () :24-|||-12-|||-= () 折-|||-3.1500平方米= () 公顷-|||-7.05
6、运动前-|||-8-|||-24-|||-12-|||-16
1.计算:-|||-(1) times ((dfrac {1)(2)-dfrac (1)(3))}^2;-|||-(2) .7div (-dfrac (8)(1
(2016春• 无锡校级月考)计算 (1)((-a))^7div ((-a))^4times ((-a))^3(2)((-a))^7div ((-a))^4ti