问题
解答题
怎样简便就怎样算.
(
(
1-
|
答案
(1)
×8÷1 5 4 5
=
×8 5 5 4
=2;
(2)
+3 5
×1 2 4 5
=
+3 5 2 5
=1;
(3)
÷5 6
÷2 3 5 6
=
÷5 6
÷5 6 2 3
=1×3 2
=
;3 2
(4)(
+5 8
)×6 5 4 25
=
×73 40 4 25
=
;73 250
(5)(
-5 6
)×2 3 9 10
=
×1 6 9 10
=
;3 20
(6)1-
÷7 9 7 8
=1-
×7 9 8 7
=1-8 9
=
.1 9