9999乘8+1111乘28=( )

来源:学生作业帮助网 编辑:作业帮 时间:2024/04/26 11:55:35

9999乘8+1111乘28=( )
9999乘8+1111乘28=( )

9999乘8+1111乘28=( )
9999乘8+1111乘28
=9*1111*8+1111*28
=72*1111+28*1111
=1111*(72+28)
=1111*100
=111100

2270884

111100

9999×8+1111×28
=1111×9×8+1111×28
=1111×(72+28)
=1111×100
=111100

9999×8+1111×28
=1111×9×8+1111×28
=1111×(72+28)
=1111×100
=111100
......

=1111*(72+28)
=111100

9999×8+1111×28
=1111×9×8+1111×28
=1111×(72+28)
=1111×100
=111100