问题
解答题
计算下面各题.
|
答案
(1)
÷1 3
×5 6 10 9
=
×2 5 10 9
=
;4 9
(2)(
-7 8
)×485 12
=
×48-7 8
×485 12
=42-20
=22;
(3)4.74×80%+5.26×80%
=(4.74×+5.26)×80%
=10×80%
=8.
计算下面各题.
|
(1)
÷1 3
×5 6 10 9
=
×2 5 10 9
=
;4 9
(2)(
-7 8
)×485 12
=
×48-7 8
×485 12
=42-20
=22;
(3)4.74×80%+5.26×80%
=(4.74×+5.26)×80%
=10×80%
=8.