5.7-0.2-4.7=
答案:
5.7-4.7=1,1-0.2=0.8
6.4-2.1-3.9=
答案:
2.1+3.9=6,6.4-6=0.4
5.4-2.4+4.6=
答案:
5.4-2.4=3,3+4.6=7.6
3.1+0.4-0.6=
答案:
3.1+0.4=3.5,3.5-0.6=2.9
8.2-6.9-0.1=
答案:
6.9+0.1=7,8.2-7=1.2
7.3-2.3+12.6=
答案:
7.3-2.3=5,5+12.6=17.6
6.7-0.7-2.9=
答案:
6.7-0.7=6,6-2.9=3.1
9.4+1.9+2.1=
答案:
1.9+2.1=4,9.4+4=13.4
0.5+0.2+0.17=
答案:
0.5+0.2=0.7,0.7+0.17=0.87
7.2+0.5-0.8=
答案:
7.2+0.5=7.7,7.7-0.8=6.9
3.1+0.4-0.5=
答案:
3.1+0.4=3.5,3.5-0.5=3.0
5.4+0.9+2.6=
答案:
5.4+2.6=8,8+0.9=8.9
0.5+0.8+0.4=
答案:
0.5+0.8=1.3,1.3+0.4=1.7
0.5+0.1+0.15=
答案:
0.5+0.1=0.6,0.6+0.15=0.75
1.1+0.6-0.8=
答案:
1.1+0.6=1.7,1.7-0.8=0.9
5.01+0.3-0.08=
答案:
5.01+0.3=5.31,5.31-0.08=5.23
5.42-2.42+2.73=
答案:
5.42-2.42=3,3+2.73=5.73
3.21-1.21+57.2=
答案:
3.21-1.21=2,2+57.2=59.2
0.3+0.86+0.7=
答案:
0.3+0.7=1,1+0.86=1.86
0.4+7.02-4.4=
答案:
0.4+7.02=7.42,7.42-4.4=3.02
6.6-1.7-2.3=
答案:
1.7+2.3=4,6.6-4=2.6
8.31-2.31+11.7=
答案:
8.31-2.31=6,6+11.7=17.7
7.6-4.2+4.6=
答案:
7.6-4.2=3.4,3.4+4.6=8.0
5.07+0.09-0.91=
答案:
5.07+0.09=5.16,5.16-0.91=4.25
1.6-1.1+3.9=
答案:
1.6-1.1=0.5,0.5+3.9=4.4
8.54-1.54+38.4=
答案:
8.54-1.54=7,7+38.4=45.4
7.3-1.3+6.54=
答案:
7.3-1.3=6,6+6.54=12.54
7.21-1.21+51.6=
答案:
7.21-1.21=6,6+51.6=57.6
8.5-3.2+8.6=
答案:
8.5-3.2=5.3,5.3+8.6=13.9
7.54-1.54+72.3=
答案:
7.54-1.54=6,6+72.3=78.3
1.5-0.3-0.9=
答案:
0.3+0.9=1.2,1.5-1.2=0.3
9.6-4.3-4.7=
答案:
4.3+4.7=9,9.6-9=0.6
0.7+0.6+0.33=
答案:
0.7+0.6=1.3,1.3+0.33=1.63
7.8-3.9-1.1=
答案:
3.9+1.1=5,7.8-5=2.8
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