题目内容

计算:
4×25+24×5=

125×32=
3
4
-
5
8
=
1
2
+75%=
4π×25%=
1
8
+
7
8
×32=
(1)4×25+24×5,
=100+120,
=220;

(2)125×32,
=(125×8)×4,
=1000×4,
=4000;

(3)
3
4
-
5
8

=
6
8
-
5
8

=
1
8


(4)
1
2
+75%,
=50%+75%,
=125%,
=1.25;

(5)4π×25%,
=4π×
1
4

=π;

(6)
1
8
+
7
8
×32,
=
1
8
+28,
=28
1
8
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