来自皮大伟的问题
【在下面的五个算式中加上适当的运算符号和括号，使符合左右两边相等．0.5______0.5______0.5______05______0.5=00.5______0.5______0.5______05______0.5=0.50.5______0.5______0.5______05______0.5=10.5______0.5______0.5______05___】
在下面的五个算式中加上适当的运算符号和括号，使符合左右两边相等．
0.5______0.5______0.5______05______0.5=0
0.5______0.5______0.5______05______0.5=0.5
0.5______0.5______0.5______05______0.5=1
0.5______0.5______0.5______05______0.5=1.5
0.5______0.5______0.5______05______0.5=2．
