问题 解答题
直接写得数.
2
5
÷18=
125×0.8=
1
4
+
1
4
=
36×(
4
9
-
1
6
)=
2
2
9
-0.76+
7
9
=
3.6×
5
6
=
50×2.4=10÷
1
8
=
10.01×8.99≈
4
7
×
1
2
÷
4
7
×
1
2
=
答案

2
5
÷18=
1
45
125×0.8=100,
1
4
+
1
4
=4
1
4
36×(
4
9
-
1
6
)=10,
2
2
9
-0.76+
7
9
=2.24,
3.6×
5
6
=3,
50×2.4=120,10÷
1
8
=80,
10.01×8.99≈90,
4
7
×
1
2
÷
4
7
×
1
2
=
1
4

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