问题 解答题
能简算的要简算
(1)101×100-73-37(2)
2
7
×
5
7
+
2
7
×
6
7
(3)(
5
6
+
3
8
+
5
12
)×24
(4)94×2.25÷(3.5+5.9)
(5)(
2
3
-
3
7
×
4
15
)÷
5
6
(6)
4
5
×[
13
16
÷(
3
4
+
1
3
)]
答案

(1)101×100-73-37,

=10100-(73+37),

=10100-110,

=9990;

(2)

2
7
×
5
7
+
2
7
×
6
7

=

2
7
×(
5
7
+
6
7
),

=

2
7
×
11
7

=

22
49

(3)(

5
6
+
3
8
+
5
12
)×24,

=

5
6
×24+
3
8
×24+
5
12
×24,

=20+9+10,

=39;

(4)94×2.25÷(3.5+5.9),

=94×2.25÷9.4,

=94×2.25÷94×10,

=22.5;

(5)(

2
3
-
3
7
×
4
15
)÷
5
6

=(

2
3
-
4
35
)×
6
5

=

116
175

(6)

4
5
×[
13
16
÷(
3
4
+
1
3
)],

=

4
5
×[
13
16
×
12
13
],

=

4
5
×
3
4

=

3
5

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