Question

64✖️111➕999✖️4简便方法

Answer 1

64✖️111➕999✖️4简便方法
=111×（64+36）
=111×100
=11100

Answer 2

64✖️111➕999✖️4
= 64x111+(111x9)x4
= 64x111+111x36
=111x(64+36)
= 111x100=11100

Answer 3

原式= 64×111+(111×9)×4
= 64×111+111×36
=111×(64+36)
= 111×100=11100

Answer 4

64×100+64×10+64×1+1000×4-1×4=6400+640+64+4000-4=7040+60+4000=11100

追答

方法2
=64×111+9×111×4
=64×111+111×36
=（64+36）×111
=100×111
=11100

也可以

Answer 5

=64×111+9×111×4
=64×111+111×36
=（64+36）×111
=100×111
=11100