脱式计算.(能简算的要简算)19÷(13-19)89×[34-(716-14)]58÷[211×(15+16)]79÷115+29×5115.58-35+5.42-2599989+9989+989+1

题目简介

脱式计算.(能简算的要简算)19÷(13-19)89×[34-(716-14)]58÷[211×(15+16)]79÷115+29×5115.58-35+5.42-2599989+9989+989+1

题目详情

脱式计算.(能简算的要简算)
1
9
÷(
1
3
-
1
9
8
9
×[
3
4
-(
7
16
-
1
4
)]
5
8
÷[
2
11
×(
1
5
+
1
6
)]
7
9
÷
11
5
+
2
9
×
5
11
5.58-
3
5
+5.42-
2
5
999
8
9
+99
8
9
+9
8
9
+
1
3
题型:解答题难度:中档来源:不详

答案

(1)class="stub"1
9
÷(class="stub"1
3
-class="stub"1
9

=class="stub"1
9
÷class="stub"2
9

=class="stub"1
2


(2)class="stub"8
9
×[class="stub"3
4
-(class="stub"7
16
-class="stub"1
4
)]
=class="stub"8
9
×[class="stub"3
4
+class="stub"1
4
-class="stub"7
16
],
=class="stub"8
9
×[1-class="stub"7
16
],
=class="stub"8
9
×class="stub"9
16

=class="stub"1
2


(3)class="stub"5
8
÷[class="stub"2
11
×(class="stub"1
5
+class="stub"1
6
)]
=class="stub"5
8
÷[class="stub"2
11
×class="stub"11
30
],
=class="stub"5
8
×15,
=9class="stub"3
8


(4)class="stub"7
9
÷class="stub"11
5
+class="stub"2
9
×class="stub"5
11

=class="stub"7
9
×class="stub"5
11
+class="stub"2
9
×class="stub"5
11

=(class="stub"7
9
+class="stub"2
9
)×class="stub"5
11

=1×class="stub"5
11

=class="stub"5
11


(5)5.58-class="stub"3
5
+5.42-class="stub"2
5

=(5.58+5.42)-(class="stub"3
5
+class="stub"2
5
),
=11-1,
=10;

(6)999class="stub"8
9
+99class="stub"8
9
+9class="stub"8
9
+class="stub"1
3

=1000+100+10+class="stub"1
3
-class="stub"1
9
-class="stub"1
9
-class="stub"1
9

=1110+(class="stub"1
3
-class="stub"1
9
×
3),
=1110+(class="stub"1
3
-class="stub"1
3
).
=1110+0,
=1110.

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