数学
数学题在线解答9999*9998-9998*9997-9997*9996+9996*9995

2019-05-23

数学题在线解答9999*9998-9998*9997-9997*9996+9996*9995
优质解答
9999*9998-9998*9997-9997*9996+9996*9995
=9998(9999-9997)+9996(9995-9997)
=9998*2-9996*2
=(9998-9996)*2
=2*2
=4
9999*9998-9998*9997-9997*9996+9996*9995
=9998(9999-9997)+9996(9995-9997)
=9998*2-9996*2
=(9998-9996)*2
=2*2
=4
相关标签: 数学题 在线
相关问答