9.99*22.2+3.33*3.34
问题描述:
9.99*22.2+3.33*3.34
答
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
答
=221.778+11.1222
=232.9002