用2,4,6,8,10,12,14,16,18算出30.
2+4+6+8+10+12-14-16+18=30
(6-4-2)*(8+10+14+16)+12+18
2+4+6+8+10+12-(14+16)+18
2+4+6+8+10-12-18+14+16=30
=2+4-6+8-10+12-14+16+18
热门标签:
2+4+6+8+10+12-14-16+18=30
(6-4-2)*(8+10+14+16)+12+18
2+4+6+8+10+12-(14+16)+18
2+4+6+8+10-12-18+14+16=30
=2+4-6+8-10+12-14+16+18