(2012?平?jīng)觯┛谒悖?
2×0.3=
3
4
-
1
4
=
1
2
÷60%=
5
9
÷0.5=
36÷4= 12.86+8.14=
12×
3
4
+
1
4
=
21
25
÷42=
1
2
×
2
3
+
1
3
=
14×
1
7
-
1
7
=
4
11
÷4×4=
1
6
+
1
6
÷
1
6
+
1
6
=
分析:橫向數(shù):(1)(5)(6)依據(jù)小數(shù)四則運算計算方法解答,
(2)(3)(4)(7)(8)(9)(10)(11)(12)依據(jù)分?jǐn)?shù)四則運算計算方法解答.
解答:
解:2×0.3=0.6,
3
4
-
1
4
=
1
2
,
1
2
÷60%=
5
6
,
5
9
÷0.5=1
1
9
36÷4=9, 12.86+8.14=21,
12×
3
4
+
1
4
=9
1
4
,
21
25
÷42=
1
50
1
2
×
2
3
+
1
3
=
2
3
,
14×
1
7
-
1
7
=1
6
7
4
11
÷4×4=
4
11
,
1
6
+
1
6
÷
1
6
+
1
6
=1
1
3
點評:本題主要考查學(xué)生依據(jù)四則運算計算方法解決問題的能力.
練習(xí)冊系列答案
相關(guān)習(xí)題

同步練習(xí)冊答案