计算:①108-4830÷69②14×513+34×513③168-7.5-2.5+32④(14-15÷4)÷310⑤711+411×(1112×23)-数学

题目简介

计算:①108-4830÷69②14×513+34×513③168-7.5-2.5+32④(14-15÷4)÷310⑤711+411×(1112×23)-数学

题目详情

计算:
①108-4830÷69
1
4
×
5
13
+
3
4
×
5
13

③168-7.5-2.5+32
④(
1
4
-
1
5
÷4)÷
3
10

7
11
+
4
11
×(
11
12
×
2
3
题型:解答题难度:中档来源:不详

答案

①108-4830÷69,
=108-70,
=38;

class="stub"1
4
×class="stub"5
13
+class="stub"3
4
×class="stub"5
13

=(class="stub"1
4
+class="stub"3
4
)×class="stub"5
13

=1×class="stub"5
13

=class="stub"5
13


③168-7.5-2.5+32,
=(168+32)-(7.5+2.5),
=200-10,
=190;

④(class="stub"1
4
-class="stub"1
5
÷4)÷class="stub"3
10

=(class="stub"1
4
-class="stub"1
20
)÷class="stub"3
10

=class="stub"1
5
÷class="stub"3
10

=class="stub"2
3


class="stub"7
11
+class="stub"4
11
×(class="stub"11
12
×class="stub"2
3
),
=class="stub"7
11
+class="stub"4
11
×class="stub"11
12
×class="stub"2
3

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

=class="stub"7
11
+class="stub"2
9

=class="stub"85
99

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