СѧÊýѧ Ò»Ä꼶20ÒÔÄÚ¼Ó¼õ»ìºÏÌî¿ÕÁ·Ï°
¡¡¡¡Ò»¡¢ÔÚ£¨£©ÀïÌîÉϺÏÊʵÄÊý¡£
£¨ £©+5=12
11+£¨ £©=19
20-£¨ £©=15
10+£¨ £©=20
16-£¨ £©=0
£¨ £©+7=17
£¨ £©-2=18
9+£¨ £©=17
19-£¨ £©=7
13+£¨ £©=16
£¨ £©-4=10
£¨ £©+2=11
£¨ £©-5=9
£¨ £©+7=15
6+£¨ £©=12
9+£¨ £©=15
3+£¨ £©=11
£¨ £©+8=14
17-£¨ £©=7
£¨ £©-5=10
13-£¨ £©=10
£¨ £©+6=11
10+£¨ £©=16
7+£¨ £©=15
17-£¨ £©=17
£¨ £©+12=12
13+£¨ £©=16
18-£¨ £©=9
5+£¨ £©=14
11-£¨ £©=5
17-£¨ £©=10
14+£¨ £©=18
£¨ £©+8=12
£¨ £©-12=3
£¨ £©-8=8
£¨ £©+5=18
2+£¨ £©=10
4+£¨ £©=8
5+£¨ £©=10
9+£¨ £©=18
3+£¨ £©=17
£¨ £©+6=10
£¨ £©+3=9
£¨ £©+1=20
£¨ £©+7=10
£¨ £©+9=20
13+ £¨ £©=16
14-£¨ £©=10
12+£¨ £©=18
15-£¨ £©=11
£¨ £©+5=13
19-£¨ £©=5
£¨ £©+2=16
18-£¨ £©=4
£¨ £©+2=14
4+£¨ £©=20
19-£¨ £©=14
£¨ £©-5=13
15+£¨ £©=17
£¨ £©-15=5
19-£¨ £©=4
£¨ £©-15=2
9+£¨ £©=18
15-£¨ £©=10
£¨ £©-6=13
£¨ £©+9=19
20-£¨ £©=4
19-£¨ £©=3
£¨ £©+11=15
£¨ £©-6=12
18-£¨ £©=11
17-£¨ £©=10
£¨ £©+6=15
£¨ £©-7=11
13+£¨ £©=14
17-£¨ £©=10
£¨ £©-8=11
10+£¨ £©=17
£¨ £©+5=12
18-£¨ £©=9
5+£¨ £©=14
11-£¨ £©=5
17-£¨ £©=10
14+£¨ £©=18
£¨ £©+8=12
£¨ £©-12=3
£¨ £©-8=8
£¨ £©+5=18
12-£¨ £©=9
15-£¨ £©=7
12-£¨ £©=3
17-£¨ £©=9
£¨ £©-6=7
12-£¨ £©=5
13-£¨ £©=8
£¨ £©-7=7
14-£¨ £©=6
15-£¨ £©=9
11-£¨ £©=7
17-£¨ £©=8
£¨ £©-5=7
13-£¨ £©=7
13-£¨ £©=5
15-£¨ £©=8
12-£¨ £©=9
17-£¨ £©=7
12-£¨ £©=6
16-£¨ £©=9
£¨ £©-4=7
£¨ £©-6=5
14-£¨ £©=6
18-£¨ £©=9
6+£¨ £©=14
£¨ £©+6=14
14-£¨ £©=8
9+£¨ £©=13
£¨ £©+8=13
£¨ £©+£¨ £©=12
£¨ £©+8=15
£¨ £©-4=11
£¨ £©-9=9
£¨ £©-8=5
14-£¨ £©=6
6+£¨ £©=9
2+£¨ £©=11
7+£¨ £©=15
8+£¨ £©=13
£¨ £©+7=12
£¨ £©+5=11
£¨ £©+10=10
15-£¨ £©=15
15-£¨ £©=5
15-£¨ £©=10
15-£¨ £©=0
8+£¨ £©=16
£¨ £©+7=12
£¨ £©+5=14
16-£¨ £©=10
7+£¨ £©=14
0+£¨ £©=12
5+£¨ £©=11
£¨ £©+6=14
8-£¨ £©=0
8-£¨ £©=8
15-£¨ £©=6
£¨ £©+13=13
19-£¨ £©=9
6+£¨ £©=14
0+£¨ £©=0
13-£¨ £©=5
8+£¨ £©=15
10+£¨ £©=18
15+£¨ £©=20
0-£¨ £©=0
6+£¨ £©=14
¡¡¡¡¶þ¡¢ÔÚ£¨£©ÀïÌî??>??¡¢??
6+4£¨£©11
6+4+2£¨£©6+6
7+8£¨£©8+2+6
17£¨£©8+8
7+3£¨£©20-3-7
4+3+5£¨£©14-2
6+7£¨£©17-7+4
12£¨£©15-3
6+7£¨£©8+6
5+8£¨£©8+5
8+5£¨£©3+9
3+2£¨£©20-4
4+6£¨£©20-9
17-3£¨£©7+7
16-5£¨£©6+6
13£¨£©7+7
20£¨£©10+9
6+7£¨£©9+2
5+8£¨£©6+9
13-3+5£¨£©9+5
¡¡¡¡Èý¡¢À¨ºÅÀï×î´óÄÜÌ¡£
10+5>£¨ £©
6+3>4+£¨ £©
7+9>£¨ £©+7
9+4>£¨ £©+9
5+9>£¨ £©+10
8+10>£¨ £©-0
8+5>£¨ £©
6+£¨ £©<17-5
£¨ £©+0<8+4
£¨ £©+7<8+3
¡¶Ð¡Ñ§Êýѧ Ò»Ä꼶20ÒÔÄÚ¼Ó¼õ»ìºÏÌî¿ÕÁ·Ï°¡·ÕªÒª£º- =10 +6=15 -7=11 13+ =14 17- =10 -8=11 10+ =17 +5=12 18- =9 5+ =14 11- =5 17- =10 14+ =18 +8=12 -12=3 -8=8 +5=18 12- =9 15- =7 12- =3 17- =9 -6=7 12- =5 13- =8 -7=7 14- =6 15- =9 11- =7 17...
| Ïà¹ØÎÄÕ£º | ¡óÎÏÅ£ÊýѧһÄ꼶 | ¡óµÍÄ꼶СѧÊýѧ½ÌѧÖг£ÓõÄѧ¾ßºÍÖ÷ҪʹÓà |
| ¡óСѧÊýѧµÚÒ»²áµÚ¶þµ¥ÔªÊÔ¾í(Ò»¡¢5ÒÔÄÚ)(A | ¡óСѧÊýѧµÚÒ»²áµÚ¶þµ¥ÔªÊÔ¾í(Èý¡¢10ÒÔÄÚ)( |
