脱式计算,能简算的要简算1112-(16+18)89-16+19-161-14+3412-(34-38)-数学

题目简介

脱式计算,能简算的要简算1112-(16+18)89-16+19-161-14+3412-(34-38)-数学

题目详情

脱式计算,能简算的要简算
11
12
-(
1
6
+
1
8
)  
8
9
-
1
6
+
1
9
-
1
6

1-
1
4
+
3
4

1
2
-(
3
4
-
3
8
题型:解答题难度:中档来源:不详

答案

(1)class="stub"11
12
-(class="stub"1
6
+class="stub"1
8
),
=class="stub"22
24
-(class="stub"4
24
+class="stub"3
24
),
=class="stub"22
24
-class="stub"7
24

=class="stub"5
8


(2)class="stub"8
9
-class="stub"1
6
+class="stub"1
9
-class="stub"1
6

=(class="stub"8
9
+class="stub"1
9
)-(class="stub"1
6
+class="stub"1
6
),
=1-class="stub"1
3

=class="stub"2
3


(3)1-class="stub"1
4
+class="stub"3
4

=class="stub"3
4
+class="stub"3
4

=class="stub"3
2


(4)class="stub"1
2
-(class="stub"3
4
-class="stub"3
8
),
=class="stub"4
8
-(class="stub"6
8
-class="stub"3
8
),
=class="stub"4
8
-class="stub"3
8

=class="stub"1
8

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