Question

1111×65+7777×5简便计算？

Answer 1

1111X65十7777x5=1111ⅹ65十1111X7x5=1111x65+1111x(7X5)=1111ⅹ(65+35)=1111X100=111100

Answer 2

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

Answer 3

1111×65+7777×5
=1111×5×（13+7）
=5555×20
=111100

Answer 4

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

Answer 5

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