脱式计算(能简算的要简算).(1)56+29+718(2)23-14-16(3)34+25-1120(4)711+12-311(5)38+14+512(6)10-415-45.-数学

题目简介

脱式计算(能简算的要简算).(1)56+29+718(2)23-14-16(3)34+25-1120(4)711+12-311(5)38+14+512(6)10-415-45.-数学

题目详情

脱式计算(能简算的要简算).
(1)
5
6
+
2
9
+
7
18

(2)
2
3
-
1
4
-
1
6

(3)
3
4
+
2
5
-
11
20

(4)
7
11
+
1
2
-
3
11

(5)
3
8
+
1
4
+
5
12

(6)10-
4
15
-
4
5
题型:解答题难度:中档来源:不详

答案

(1)class="stub"5
6
+class="stub"2
9
+class="stub"7
18

=class="stub"15
18
+class="stub"4
18
+class="stub"7
18

=class="stub"19
18
+class="stub"7
18

=class="stub"13
9


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

=class="stub"8
12
-class="stub"3
12
-class="stub"2
12

=class="stub"5
12
-class="stub"2
12

=class="stub"1
4


(3)class="stub"3
4
+class="stub"2
5
-class="stub"11
20

=class="stub"15
20
+class="stub"8
20
-class="stub"11
20

=class="stub"23
20
-class="stub"11
20

=class="stub"3
5


(4)class="stub"7
11
+class="stub"1
2
-class="stub"3
11

=class="stub"7
11
-class="stub"3
11
+class="stub"1
2

=class="stub"4
11
+class="stub"1
2

=class="stub"19
22


(5)class="stub"3
8
+class="stub"1
4
+class="stub"5
12

=class="stub"9
24
+class="stub"6
24
+class="stub"10
24

=class="stub"15
24
+class="stub"10
24

=class="stub"25
24


(6)10-class="stub"4
15
-class="stub"4
5

=10-(class="stub"4
15
+class="stub"4
5
),
=10-1class="stub"1
15

=8class="stub"14
15

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