灵活计算下面各题1.25×0.32×25020092010×20092019-13÷35-4986×(56-23)×3.-数学
题文
灵活计算下面各题
|
答案
(1)1.25×0.32×250, =1.25×(0.8×0.4)×250, =(1.25×0.8)×(0.4×250), =1×100, =100; (2)
=
=
=2009-
=2008
(3)
=
=
=
=
(4)86×(
=86×
|
题文
灵活计算下面各题
|
答案
(1)1.25×0.32×250, =1.25×(0.8×0.4)×250, =(1.25×0.8)×(0.4×250), =1×100, =100; (2)
=
=
=2009-
=2008
(3)
=
=
=
=
(4)86×(
=86×
|