4+1+3=
4+2-3=
9-6+5=
9-1-6=
2+3-2=
1+1+2=
2+2+3=
6+2+1=
5+3+1=
2+2+2=
3-2+1=
2-1+1=
9-5+4=
9-5-2=
3+5+1=
3+4-2=
3+4+2=
3+3-3=
7-7+9=
2+3+4=
9-3-4=
2+5+1=
5-2+1=
1+3+4=
1+6+2=
1+7-2=
2+1+6=
3+4+1=
3+2+3=
9-3+2=
1+2-3=
4+5-6=
4-3+2=
8-5+3=
9-8+7=
5+4-7=
1+1+1=
9-3-5=
6+1+1=
1+2+3=
2+2-1=
1+3+5=
8-5+4=
5-3+6=
4+3+1=
8
4+2-3=
3
9-6+5=
8
9-1-6=
2
2+3-2=
3
1+1+2=
4
2+2+3=
7
6+2+1=
9
5+3+1=
9
2+2+2=
6
3-2+1=
2
2-1+1=
2
9-5+4=
8
9-5-2=
2
3+5+1=
9
3+4-2=
5
3+4+2=
9
3+3-3=
3
7-7+9=
9
2+3+4=
9
9-3-4=
2
2+5+1=
8
5-2+1=
4
1+3+4=
8
1+6+2=
9
1+7-2=
6
2+1+6=
9
3+4+1=
8
3+2+3=
8
9-3+2=
8
1+2-3=
0
4+5-6=
3
4-3+2=
3
8-5+3=
6
9-8+7=
8
5+4-7=
2
1+1+1=
3
9-3-5=
1
6+1+1=
8
1+2+3=
6
2+2-1=
3
1+3+5=
9
8-5+4=
7
5-3+6=
8
4+3+1=
8
答案:
1.8 2.3 3.8 4.2 5.3 6.4 7.7 8.9 9.9 10.6 11.2 12.2 13.8 14.2 15.9 16.5 17.9 18.3 19.9 20.9 21.2 22.8 23.4 24.8 25.9 26.6 27.9 28.8 29.8 30.8 31.0 32.3 33.3 34.6 35.8 36.2 37.3 38.1 39.8 40.6 41.3 42.9 43.7 44.8 45.8
□-□+□= □
□-□+□= □
□-□+□= □
答案:
示例:7-5+1=3 3-1+5=7
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