计算下面各题:(1)540÷12×9+482(2)710÷15+38×23(3)(56-14+512)×24(4)20÷[1-(14+13)].-数学
题文
计算下面各题: (1)540÷12×9+482 (2)
(3)(
(4)20÷[1-(
|
答案
(1)540÷12×9+482, =45×9+482, =405+482, =887; (2)
=
=
=
(3)(
=
=20-6+10, =24; (4)20÷[1-(
=20÷[1-
=20÷
|
题文
计算下面各题: (1)540÷12×9+482 (2)
(3)(
(4)20÷[1-(
|
答案
(1)540÷12×9+482, =45×9+482, =405+482, =887; (2)
=
=
=
(3)(
=
=20-6+10, =24; (4)20÷[1-(
=20÷[1-
=20÷
|