Question

67×49加67用简便计算脱式

Answer 1

67×49+67
=67×49+67x1
=67x（49+1）
=67x50
=3350

Answer 2

简便计算67×49+67
=67×（49+1）
=67×50
=3350

Answer 3

67×49加67可以看成是
67*（49+1）
＝67*50
＝3350

Answer 4

67×49+67
=67×(49+1)
=67×50
=67×100÷2
=6700÷2
=3350。

Answer 5

67*49+67=67*49+67*1=67*（49+1）=67*50=3350