题目内容

直接写得数
510-240=
2.4×5=64÷0.4=4×5%=
12-
4
9
-
5
9
=
1
12
÷6=
3.8+2=
1
2
-
1
3
=
7
9
×45=
0.33=
510-240=270,2.4×5=12,64÷0.4=160,4×5%=0.2,
12-
4
9
-
5
9
=11,
1
12
÷6=
1
72
3.8+2=5.8,
1
2
-
1
3
=
1
6
7
9
×45=35,
0.33=0.027.
故答案为:270,12,160,0.2,11,
1
72
,5.8,
1
6
,35,0.027.
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