问题 解答题
口算.
1
6
×3=
7
9
=
0.5+
1
3
=
5
21
×
14
26
=
8+
1
7
=
9
14
÷
3
10
=
2-
8
17
-
9
17
=
16.5+4.7=
1
7
÷3÷
1
7
=
5.6×
1
8
=
答案

1
6
×3=
1
2
7
9
=0,
0.5+
1
3
=
5
6
5
21
×
14
26
=
5
39
8+
1
7
=8
1
7
9
14
÷
3
10
=
15
7
2-
8
17
-
9
17
=1,
16.5+4.7=21.2,
1
7
÷3÷
1
7
=
1
3
5.6×
1
8
=0.7.
故答案为:
1
2
,0,
5
6
5
39
,8
1
7
15
7
,1,21.2,
1
3
,0.7.

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