脱式计算,其中①-③小题要简算.①2417-524-1924②38×25+35÷8×3③40×(2-58-25-34)④(76-59)÷118⑤89÷[(25+110)×43]⑥[56-(512+38

题目简介

脱式计算,其中①-③小题要简算.①2417-524-1924②38×25+35÷8×3③40×(2-58-25-34)④(76-59)÷118⑤89÷[(25+110)×43]⑥[56-(512+38

题目详情

脱式计算,其中①-③小题要简算.
24
17
-
5
24
-
19
24
3
8
×
2
5
+
3
5
÷8×3
③40×(2-
5
8
-
2
5
-
3
4
④(
7
6
-
5
9
)÷
11
8
8
9
÷[(
2
5
+
1
10
)×
4
3
]
⑥[
5
6
-(
5
12
+
3
8
)]÷
3
4
题型:解答题难度:中档来源:不详

答案

(1)class="stub"24
17
-class="stub"5
24
-class="stub"19
24

=class="stub"24
17
-(class="stub"5
24
+class="stub"19
24
),
=class="stub"24
17
-1,
=class="stub"7
17


(2)class="stub"3
8
×class="stub"2
5
+class="stub"3
5
÷8×3,
=class="stub"3
8
×
class="stub"2
5
+class="stub"3
5
),
=class="stub"3
8
×
1,
=class="stub"3
8


(3)40×(2-class="stub"5
8
-class="stub"2
5
-class="stub"3
4
),
=40×2-40×class="stub"5
8
-40×class="stub"2
5
-40×class="stub"3
4

=80-25-16-30,
=55-16-30,
=39-30,
=9;

(4)(class="stub"7
6
-class="stub"5
9
)÷class="stub"11
8

=class="stub"11
18
÷class="stub"11
8

=class="stub"4
9


(5)class="stub"8
9
÷[(class="stub"2
5
+class="stub"1
10
)×class="stub"4
3
],
=class="stub"8
9
÷
[class="stub"1
2
×class="stub"4
3
],
=class="stub"8
9
÷class="stub"2
3

=1class="stub"1
3


(6)[class="stub"5
6
-(class="stub"5
12
+class="stub"3
8
)]÷class="stub"3
4

=[class="stub"5
6
-class="stub"1
24
]÷class="stub"3
4

=class="stub"19
24
÷class="stub"3
4

=1class="stub"1
18

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