题目内容

脱式计算
(1)4
2
3
×0.6+0.6÷
3
14

(2)1-(
1
6
+
1
7
)×2;
(3)
5
6
÷(1-
9
20
)×
1
5

(4)(
24
19
+
16
17
)×
1
8
+
15
17
(1)4
2
3
×0.6+0.6÷
3
14

=
14
3
×0.6+0.6×
14
3

=
14
3
×0.6×2
=5.6

(2)1-(
1
6
+
1
7
)×2
=1-
13
42
×2
=1-
13
21

=
8
21


(3)
5
6
÷(1-
9
20
)×
1
5

=
5
6
÷
11
20
×
1
5

=
5
6
×
20
11
×
1
5

=
10
33


(4)(
24
19
+
16
17
)×
1
8
+
15
17

=
24
19
×
1
8
+
16
17
×
1
8
+
15
17

=
3
19
+
2
17
+
15
17

=
3
19
+(
2
17
+
15
17

=
3
19
+1
=1
3
19
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