问题 解答题
直接写出得数
243+49=198-79=9.3+4.76=20.67-8.7=320×0.5=12.5×
4
5
=
45÷0.15=
4
5
-
1
3
=
5
6
+
2
3
=
7
12
÷
14
15
=
3
4
÷
1
3
=
2
9
×
6
7
×
3
8
=
答案

243+49=292,198-79=119,9.3+4.76=14.06,20.67-8.7=11.97,320×0.5=160,12.5×
4
5
=10,
45÷0.15=300,
4
5
-
1
3
=
7
15
5
6
+
2
3
=
3
2
7
12
÷
14
15
=
5
8
3
4
÷
1
3
=
9
4
2
9
×
6
7
×
3
8
=
1
14

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