问题 解答题
口算题,轻松又愉快.
73+39=

78-0.8=

24÷1.2=

12×(
3
4
-
1
6
)
=
23×3=
1
2
+
1
3
=
2
3
-
1
2
=
5.38-(1.8+2.38)=
4
5
÷
2
3
=
0.25×0.4=36×0.5=
1
4
×
2
9
×4
=
答案

73+39=112

78-0.8=77.2

24÷1.2=20

12×(

3
4
-
1
6
)=7
23×3=69
1
2
+
1
3
=
5
6
2
3
-
1
2
=
1
6
5.38-(1.8+2.38)=1.2
4
5
÷
2
3
=1
1
5
0.25×0.4=0.136×0.5=18
1
4
×
2
9
×4
=
2
9

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