18×14÷78(45+310)÷31056÷(12+56)34÷1516÷561÷1100÷1100445×435-445×3.64445×46(12+23+34)×24.-数学

题目简介

18×14÷78(45+310)÷31056÷(12+56)34÷1516÷561÷1100÷1100445×435-445×3.64445×46(12+23+34)×24.-数学

题目详情

1
8
×14÷
7
8
4
5
+
3
10
)÷
3
10
5
6
÷(
1
2
+
5
6
3
4
÷
15
16
÷
5
6
1
100
÷
1
100
4
4
5
×4
3
5
-4
4
5
×3.6
44
45
×46
1
2
+
2
3
+
3
4
)×24.
题型:解答题难度:中档来源:不详

答案

(1)class="stub"1
8
×14÷class="stub"7
8

=class="stub"1
8
×(14×class="stub"8
7
),
=class="stub"1
8
×16,
=2;

(2)(class="stub"4
5
+class="stub"3
10
)÷class="stub"3
10

=(class="stub"4
5
+class="stub"3
10
)×class="stub"10
3

=class="stub"4
5
×class="stub"10
3
+class="stub"3
10
×class="stub"10
3

=class="stub"8
3
+1,
=3class="stub"2
3


(3)class="stub"5
6
÷(class="stub"1
2
+class="stub"5
6
),
=class="stub"5
6
÷class="stub"8
6

=class="stub"5
8


(4)class="stub"3
4
÷class="stub"15
16
÷class="stub"5
6

=class="stub"3
4
×class="stub"16
15
×class="stub"6
5

=class="stub"4
5
×class="stub"6
5

=class="stub"24
25


(5)1÷class="stub"1
100
÷class="stub"1
100

=100×100,
=10000;

(6)4class="stub"4
5
×4class="stub"3
5
-4class="stub"4
5
×3.6,
=4class="stub"4
5
×(4class="stub"3
5
-3.6),
=4class="stub"4
5
×1,
=4class="stub"4
5


(7)class="stub"44
45
×46,
=class="stub"44
45
×(45+1),
=class="stub"44
45
×45+class="stub"44
45
×1,
=44+class="stub"44
45

=44class="stub"44
45


(8)(class="stub"1
2
+class="stub"2
3
+class="stub"3
4
)×24,
=class="stub"1
2
×24+class="stub"2
3
×24+class="stub"3
4
×24,
=12+16+18,
=28+18,
=46.

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