Question

398×88-99×88这题的简便计算

398×88-99×88这题的简便计算

Answer 1

398×88-99×88这题族仔御的简便计兆岩算戚衡:
398×88-99×88
=(398-99)x88
=299x88
=300x88-88
=26400-88
=26312

Answer 2

398×88-99×88这题兆岩的简族仔御便计算
原式=398*88-99*88
=（戚衡398-99）*88
=300*88-88
=26400-88
=26312

Answer 3

398×88-98×88
=88*(398-98)
=88*300
=26400

Answer 4

398×88-99×88
=(398-99)×88
=(398-100+1)×88
=299×88
=(300-1)×88
=300×88-1×88
=26400-88
=26312