急啊 帮帮忙吧
要过程和答案 没括号的
第1个回答 2012-12-03
16/9-8/9*2/3+1/3
=16/9-16/27+1/3
=48/27-16/27+9/27
=41/27
=16/9-16/27+1/3
=48/27-16/27+9/27
=41/27
第2个回答 2012-12-05
16/9-8/9*2/3+1/3
=16/9-16/27+1/3
=48/27-16/27+9/27
=41/27
=16/9-16/27+1/3
=48/27-16/27+9/27
=41/27
