Question

99999X7十11111X37 用简便运算怎么算？

Answer 1

99999×7+11111×37=11111×9×7+11111×37=11111×(63+37)=11111×100=1111100

Answer 2

99999X7十11111X37
=11111x9x7+11111x37
=11111x63+11111x37
=11111x(63+37)
=11111x100
=1111100

Answer 3

99999X7+11111X37
=11111X(9X7+37)
=11111X(63+37)
=11111X100
=1111100

Answer 4

99999*7+11111*37
=11111*9*7+11111*37
=11111*（63+37）
=11111*100
=1111100

Answer 5

（99999+11111）×7+11111×30=1111100