Question

301x78用简便方法怎么算？ 求帮助

Answer 1

301=300+1
300×78+1×78
=23478

Answer 2

301×78
=(300+1)×78
=300×78+78
=23400+78
=23478

Answer 3

301x78
=（300+1）x78
=300x78+1x78
=23400+78
=23478

Answer 4

301×78
＝（300+1）×78
＝300×78+1×78
＝23400+78
＝23478

Answer 5

=（300 + 1 ）* 78
=23400 + 78
= 23478