问题 解答题
直接写得数:
1
4
-
1
5
=
0.48÷1.2=2.5×8=1
5
18
×9=
0.1÷0.001=
2
1
4
=
2.7÷
3
5
=
1-0.875÷
7
8
=
26÷1
4
9
=
3
4
9
+2
3
8
+1
5
9
=
答案

1
4
-
1
5
=
1
20
; 0.48÷1.2=0.4; 2.5×8=20;1
5
18
×9=11
1
2
; 0.1÷0.001=100;

2

1
4
=
4
9
; 2.7÷
3
5
=4.5; 1-0.875÷
7
8
=0;26÷1
4
9
=18; 3
4
9
+2
3
8
+1
5
9
=7
3
8

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