能简算的要简算.34×613÷92649÷(13+13)59×7+59×11(12+23+34)×24425×99+42535×23+25÷112.-数学

4
9
×
3
2

=
2
3


(3)
5
9
×7+
5
9
×11,
=(7+11)×
5
9

=18×
5
9

=10;

(4)(
1
2
+
2
3
+
3
4
)×24,
=
1
2
×24+
2
3
×24+
3
4
×24,
=12+16+18,
=46;

(5)
4
25
×99+
4
25

=
4
25
×(99+1),
=
4
25
×100,
=16;

(6)
3
5
×
2
3
+
2
5
÷1
1
2

=
3
5
×
2
3
+
2
5
×
2
3

=(
3
5
+
2
5
)×
2
3

=1×
2
3

=
2
3

据专家权威分析,试题“能简算的要简算.34×613÷92649÷(13+13)59×7+59×11(12+23+34)×2442..”主要考查你对  分数的四则混合运算及应用  等考点的理解。关于这些考点的“档案”如下: