问题 解答题
0.125×0.25×32
(
1
3
+
1
4
+
1
5
)×48

7
4
×
5
8
+
1
4
÷
8
5
答案

(1)0.125×0.25×32,

=0.125×0.25×8×4,

=(0.125×8)×(0.25×4),

=1×1,

=1;

(2)(

1
3
+
1
4
+
1
5
)×48,

=

1
3
×48+
1
4
×48+
1
5
×48,

=16+12+9.6,

=37.6;

(3)

7
4
×
5
8
+
1
4
÷
8
5

=

7
4
×
5
8
+
1
4
×
5
8

=(

7
4
+
1
4
)×
5
8

=2×

5
8

=1.25.

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