帮忙做几个题,巧算:1+2+3+4+6+3+6+9+.100+200+300 0.4444+22.22*222.22+1777.6*22.222
问题描述:
帮忙做几个题,巧算:1+2+3+4+6+3+6+9+.100+200+300 0.4444+22.22*222.22+1777.6*22.222
答
帮忙做几个题,巧算:1+2+3+4+6+3+6+9+.100+200+300 0.4444+22.22*222.22+1777.6*22.222