Question

1111×65+7777×5简便计算？

Answer 1

=1111×65+1111×7×5
=1111×（65+7×5）
=1111×100
=111100

Answer 2

=1111×65+1111×7×5
=1111×65+1111×35
=1111×（65+35)
=1111×100
=111100

Answer 3

1111x65+7777x5
=1111x65+1111x35
=1111X（65+35）
=1111Ⅹ100
=111100

Answer 4

1111x65+7777x5
=1111x65+1111x7x5
=1111x（65+7x5）
=1111x100
=111100

Answer 5

1111×65+7777×5
=1111×65+7×1111×5
=1111×65+1111×35
=1111×(65+35)
=1111×100
=111100