问题 解答题
计算:
①1300÷26+24
1
6
+
5
6
÷
2
3
③0.9×99+0.9
④1.25×0.25×32
2
3
×(
1
4
+
1
6
10
9
1
2
-(
3
4
-
3
5
14
25
答案

①1300÷26+24,

=50+24,

=74;

1
6
+
5
6
÷
2
3

=

1
6
+
5
4

=

17
12

③0.9×99+0.9,

=0.9×(99+1),

=0.9×100,

=90;

④1.25×0.25×32,

=1.25×0.25×4×8,

=(1.25×8)×(0.25×4),

=10×1,

=10;

2
3
×(
1
4
+
1
6
10
9

=

2
3
×
5
12
×
9
10

=

5
18
×
9
10

=

1
4

1
2
-(
3
4
-
3
5
14
25

=

1
2
-
3
20
×
25
14

=

1
2
-
15
56

=

13
56

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