能简算的要简算.48×(712+2)÷2323-89×34÷12759×7+59×115÷[(23+15)×113]425×23+425×67(12-16)×35÷15.-数学

题目简介

能简算的要简算.48×(712+2)÷2323-89×34÷12759×7+59×115÷[(23+15)×113]425×23+425×67(12-16)×35÷15.-数学

题目详情

能简算的要简算.
48×(
7
12
+2)÷
2
3
23-
8
9
×
3
4
÷
1
27
5
9
×7+
5
9
×11
5÷[(
2
3
+
1
5
)×
1
13
]
4
25
×23+
4
25
×67
1
2
-
1
6
)×
3
5
÷
1
5
题型:解答题难度:中档来源:不详

答案

(1)48×(class="stub"7
12
+2)÷class="stub"2
3

=(48×class="stub"7
12
+48×2)÷class="stub"2
3

=(28+96)÷class="stub"2
3

=124÷class="stub"2
3

=186;

(2)23-class="stub"8
9
×class="stub"3
4
÷class="stub"1
27

=23-class="stub"8
9
×class="stub"3
4
×27
=23-18
=5;

(3)class="stub"5
9
×7+class="stub"5
9
×11
=class="stub"5
9
×(11+7)
=class="stub"5
9
×18
=10;

(4)5÷[(class="stub"2
3
+class="stub"1
5
)×class="stub"1
13
]
=5÷[class="stub"13
15
×class="stub"1
13
]
=5÷class="stub"1
15

=75;

(5)class="stub"4
25
×23+class="stub"4
25
×67
=class="stub"4
25
×(67+23)
=class="stub"4
25
×90
=14.4;

(6)(class="stub"1
2
-class="stub"1
6
)×class="stub"3
5
÷class="stub"1
5

=class="stub"1
3
×class="stub"3
5
×5
=1.

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