28✖️11111➕99999✖️8简便方法？

Question

如题所述

Answer 1

28×11111+99999×8
=(20+8)×11111+99999×8
=20×11111+8×11111+99999×8
=222220+8×(11111+99999)
=222220+8×111110
=222220+888880
=1111100本回答被网友采纳

Answer 2

28✖️11111➕99999✖️8
=28✖️11111➕11111×9✖️8
=28✖️11111➕11111×72
=11111×(28+72)
=11111×100
=1111100.

Answer 3

28✖️11111➕99999✖️8
=28✖️11111➕11111✖️9✖️8
=28✖️11111➕11111✖️72
=（28+72）✖️11111
=100✖️11111
=1111100