1013×(34+1÷56)78×139+139÷84.6×8-120%÷1.515+5÷(38-18)-数学

题目简介

1013×(34+1÷56)78×139+139÷84.6×8-120%÷1.515+5÷(38-18)-数学

题目详情

10
13
×(
3
4
+1÷
5
6

7
8
×
13
9
+
13
9
÷8
4.6×8-120%÷1.5
15+5÷(
3
8
-
1
8
题型:解答题难度:中档来源:不详

答案

(1)class="stub"10
13
×(class="stub"3
4
+1÷class="stub"5
6
),
=class="stub"10
13
×(class="stub"3
4
+class="stub"6
5
),
=class="stub"10
13
×class="stub"39
20

=class="stub"3
2


(2)class="stub"7
8
×class="stub"13
9
+class="stub"13
9
÷8,
=class="stub"13
9
×(class="stub"7
8
+class="stub"1
8
),
=class="stub"13
9
×1,
=class="stub"13
9


(3)4.6×8-120%÷1.5,
=36.8-0.8,
=36;

(4)15+5÷( class="stub"3
8
-class="stub"1
8
),
=15+5÷class="stub"1
4

=15+20,
=35.

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