计算下面各题:(14+720)÷34=______;1118×9-1118×6=______;13.6÷2-0.4×7=______;2600-1600÷25÷4=______.-数学

题目简介

计算下面各题:(14+720)÷34=______;1118×9-1118×6=______;13.6÷2-0.4×7=______;2600-1600÷25÷4=______.-数学

题目详情

计算下面各题:
1
4
+
7
20
)÷
3
4
=______;
11
18
×9-
11
18
×6=______;
13.6÷2-0.4×7=______;
2600-1600÷25÷4=______.
题型:解答题难度:中档来源:不详

答案

class="stub"1
4
+class="stub"7
20
)÷class="stub"3
4

=(class="stub"1
4
+class="stub"7
20
)×class="stub"4
3

=class="stub"1
4
×class="stub"4
3
+class="stub"7
20
×class="stub"4
3

=class="stub"1
3
+class="stub"7
15

=class="stub"5
15
+class="stub"7
15

=class="stub"12
15

=class="stub"4
5


class="stub"11
18
×9-class="stub"11
18
×6,
=class="stub"11
18
×(9-6),
=class="stub"11
18
×3,
=class="stub"11
6


13.6÷2-0.4×7,
=6.8-0.28,
=6.52;

2600-1600÷25÷4,
=2600-1600÷(25×4),
=2600-1600÷100,
=2600-16,
=2584.

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