9
14
×3.5+
1
6
13
1
3
-3
3
4
÷
5
16
=
29
16
29
16
分析:本題將式中的小數(shù)化為分?jǐn)?shù)然后將分子與分母據(jù)四則混合運(yùn)算法則分別進(jìn)行計(jì)算即可.
解答:解:
9
14
×3.5+
1
6
13
1
3
-3
3
4
÷
5
16

=
9
14
×
7
2
+
1
6
13
1
3
-
15
4
×
16
5

=
9
4
+
1
6
13
1
3
-12
,
=
29
12
×
3
4

=
29
16
點(diǎn)評(píng):完成本題要注意通分、約分.
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