Question

谁会做这道数学题，急需 谢谢

Answer 1

1题
73*(44+76)-73*(13+7)
=73*(120-20)
=73*100
7300
2题
(22222+33333)*99999
=55555*99999

=55555*100000-55555
=5555500000-55555=555544445

Answer 2

73×44-73×13+73×76-73×7
=73×(44+76-13-7)
=73×100
=7300
22222×99999+33333×99999
=(22222+33333)×99999
=55555×99999
=55555×(100000-1)
=55555×100000-55555
=5555500000-55555
=5555444445