题目内容

直接写出得数.
1.4-0.6=
5
7
×
21
25
=
7
16
-
1
4
=
1
9
÷
2
3
=
2-
6
7
=
578+299=200-98=4.59-2.8-1.7=
3÷0.03=
5
6
×8
=
9.9×101-9.9=(0.9+0.27)÷9=
1.4-0.6=0.8;
5
7
×
21
25
=
3
5
7
16
-
1
4
=
3
16
1
9
÷
2
3
=
1
6

2-
6
7
=1
1
7
;578+299=877; 200-98=102; 4.59-2.8-1.7=0.09;
3÷0.03=100;
5
6
×8
=
20
3
; 9.9×101-9.9=99;(0.9+0.27)÷9=0.13.
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