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(2008•溧阳市)计算.(能简便计算的要用简便法法计算)700-108÷32671.32-(5.28÷4+23.9)1126÷19−1126×7310÷[12×(75−910)].

题目详情
(2008•溧阳市)计算.(能简便计算的要用简便法法计算)
700-108÷326
71.32-(5.28÷4+23.9)
11
26
÷
1
9
11
26
×7
3
10
÷[
1
2
×(
7
5
9
10
)].
▼优质解答
答案和解析
(1)700-108÷326,
=700-
54
163

=699
109
163


(2)71.32-(5.28÷4+23.9),
=71.32-(1.32+23.9),
=71.32-25.22,
=46.1;

(3)
11
26
÷
1
9
11
26
×7,
=
11
26
×9-
11
26
×7,
=
11
26
×(9-7),
=
11
26
×2,
=
11
13


(4)
3
10
÷[
1
2
×(
7
5
9
10
)],
=
3
10
÷[
1
2
×
1
2
],
=
3
10
÷
1
4

=
6
5
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