问题
解答题
下面各题怎样算简便就怎样算.
|
答案
(1)12÷(
+1 3
)3 4
=12÷13 12
=11
;1 13
(2)
÷5 9
+1 26
×264 9
=(
+5 9
)×264 9
=1×26
=26;
(3)
×(51+9 17
)-17 27 17 27
=
×51+9 17
×9 17
-17 27 17 27
=27+
-1 3 17 27
=27
-1 3 17 27
=26
;8 27
(4)(2-
÷9 10
)÷3 5 5 6
=(2-1
)÷1 2 5 6
=
÷1 2 5 6
=
;3 5
(5)1
-6 7
÷1 3
-7 12 2 7
=1
-(6 7
+4 7
)2 7
=1
-6 7 6 7
=1;
(6)(
×6+1 2
÷5 6
)÷2 7 1 10
=(3+2
)÷11 12 1 10
=5
÷11 12 1 10
=59
.1 6