Question

333x58+666x21简便计算怎么解

Answer 1

333x58+666x21
=333x58+333x42
=333x(58+42)
=333x100
=33300

Answer 2

333x58+666x21
=333×58+333×（2×21）
＝333×58+333×42
＝333×（58+42）
＝33300

Answer 3

333x58+666x21=333x[58+42]=33300

Answer 4

333×58+666×21
=333×58+333×42
=333×100
=33300