直接寫出得數(shù)
1
3
-
1
4
)×12=
1
3
5
÷
3
4
=
5
6
×
3
10
=
3
5
÷3=
4
11
÷
2
11
=
7
9
÷
2
9
=
1
5
÷
1
5
18×
5
6
=
3
4
+
1
5
=
1
4
×4÷
1
4
×4=
分析:(1)運(yùn)用乘法分配律解答
(2)(4)(5)(6)(7)依據(jù)分?jǐn)?shù)除法計(jì)算方法解答,
(3)(8)依據(jù)分?jǐn)?shù)乘法計(jì)算方法解答,
(9)依據(jù)分?jǐn)?shù)加法計(jì)算方法解答,
(10)按照從左到右順序解答.
解答:
解:(
1
3
-
1
4
)×12=1
1
3
5
÷
3
4
=2
2
15
5
6
×
3
10
=
1
4
3
5
÷3=
1
5
4
11
÷
2
11
=2
7
9
÷
2
9
=3
1
2
1
5
÷
1
5
=1        18×
5
6
=15
3
4
+
1
5
=
19
20
1
4
×4÷
1
4
×4=16
點(diǎn)評(píng):(1)運(yùn)用乘法分配律解決問(wèn)題,(2)依據(jù)四則運(yùn)算計(jì)算方法正確進(jìn)行計(jì)算,是此類題目考查知識(shí)點(diǎn).
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