Question

9999✘2222+3333✘3334

9999✘2222+3333✘3334用简便方法算

Answer 1

9999✘2222+3333✘3334
=(3333✘3)✘2222+3333✘3334
=3333✘(3✘2222)+3333✘3334
=3333✘6666+3333✘3334
=3333✘(6666+3334)
=3333✘10000
=33330000

Answer 2

9999✘2222+3333✘3334
=9999✘1111✘2+1111✘3✘3334
=1111✘(9999✘2+3334✘3)
=1111✘(19998+10002)
=1111✘30000
=33330000
(请点采纳哟）

Answer 3

9999✘1111✘2+1111✘3✘3334

Answer 4

9999✘2222+3333✘3334=9999✘1111✘2+1111✘3✘3334=1111✘（9999✘2+3334✘3）=1111✘（19998+10002）=1111✘30000=33330000