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(2007•闽侯县)43×99+430.3×(77.6-5.6)56×(37-38)57×35÷6723+58×2538×〔89÷(56-34)〕
题目详情
(2007•闽侯县)43×99+43
0.3×(77.6-5.6)
56×(
-
)
×
÷
+
×
×〔
÷(
-
)〕
0.3×(77.6-5.6)
56×(
3 |
7 |
3 |
8 |
5 |
7 |
3 |
5 |
6 |
7 |
2 |
3 |
5 |
8 |
2 |
5 |
3 |
8 |
8 |
9 |
5 |
6 |
3 |
4 |
▼优质解答
答案和解析
(1)43×99+43,
=(99+1)×43,
=100×43,
=4300;
(2)0.3×(77.6-5.6),
=0.3×72,
=21.6;
(3)56×(
-
)
=56×
-56×
,
=24-21,
=3;
(4)
×
÷
,
=
×
,
=
;
(5)
+
×
,
=
+
,
=
;
(6)
×[
÷(
-
)]
=
×[
×12],
=
×
×12,
=4.
=(99+1)×43,
=100×43,
=4300;
(2)0.3×(77.6-5.6),
=0.3×72,
=21.6;
(3)56×(
3 |
7 |
3 |
8 |
=56×
3 |
7 |
3 |
8 |
=24-21,
=3;
(4)
5 |
7 |
3 |
5 |
6 |
7 |
=
3 |
7 |
7 |
6 |
=
1 |
2 |
(5)
2 |
3 |
5 |
8 |
2 |
5 |
=
2 |
3 |
1 |
4 |
=
11 |
12 |
(6)
3 |
8 |
8 |
9 |
5 |
6 |
3 |
4 |
=
3 |
8 |
8 |
9 |
=
3 |
8 |
8 |
9 |
=4.
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