更新时间2019-09-11 06:57:02
3333*6666
=3×1111×6×1111
=18×1111²
=18×1234321
=22217778
本题:3333*6666
=3333*2222*3
=9999*2222
=(10000-1)*1111*2
=(20000-2)*1111
=20000*1111-2222
=22220000-2222
=22217778
3333×6666
=1111×3×6666
=1111×19998
=1111×(20000-2)
=1111×20000-1111×2
=22220000-2222
=22217778
3333*6666
3*1111*6*1111
18*1111*(1000+100+10+1)
18*(1111000+111100+11110+1111)
22217778
3333*6666=3333*3*2222=9999*2222=(10000-1)*2222=22220000-2222=22217778
3333*6666=3*1111*6*1111=1234321*(20-2)=24686420-2468642
3333*6666
=9999*2222
=(10000-1)*2222
=22220000-2222
=22217778
3333*6666
=3*1111*6*1111
=3*6*1111*1111
=18*1234321
=22217778
3333*6666
=3333*3*2222
=9999*2222
=(10000-1)*2222
=10000*2222-1*2222
=22220000-2222
=22217778