用递等式计算.235+24×122.6÷(0.74-0.24)×2.578×314+14[1-(56-13)]÷25.-数学

题文

用递等式计算.
235+24×12
2.6÷(0.74-0.24)×2.5
7
8
×
3
14
+
1
4
[1-(
5
6
-
1
3
)]÷
2
5
题型:解答题  难度:中档

答案

235+24×12
=235+288,
=523;

2.6÷(0.74-0.24)×2.5
=2.6÷0.5×2.5,
=5.2×2.5,
=13;

7
8
×
3
14
+
1
4

=
3
16
+
1
4

=
3
16
+
4
16

=
7
16


[1-(
5
6
-
1
3
)]÷
2
5

=[1-(
5
6
-
2
6
)]÷
2
5

=[1-
1
2
5
2

=
1
2
×
5
2

=
5
4

据专家权威分析,试题“用递等式计算.235+24×122.6÷(0.74-0.24)×2.578×314+14[1-(56..”主要考查你对  整数的四则混合运算及应用题  等考点的理解。关于这些考点的“档案”如下:

整数的四则混合运算及应用题