9.9922.2+3.333.34

来源：学生作业帮助网编辑：作业帮时间：2024/06/08 07:32:55

9.99*22.2+3.33*3.34

=221.778+11.1222
=232.9002

9.99*22.2+3.33*33.4
=3.33*3*222+3.33*33.4
=3.33*(66.6+33.4)
=3.33*100
=333