数学问题
填上适当的运算符号和括号,使等号左,右两边相等
0.2 0.2 0.2 0.2 0.2 =0
0.2 0.2 0.2 0.2 0.2 =1
0.2 0.2 0.2 0.2 0.2 =2
0.2 0.2 0.2 0.2 0.2 =3
0.2 0.2 0.2 0.2 0.2 =4
0.2 0.2 0.2 0.2 0.2 =5
参考答案:(0.2+0.2-0.2-0.2)*0.2=0
0.2+0.2+0.2+0.2+0.2=1
(0.2/0.2/0.2)*(0.2+0.2)=2
[(0.2+0.2)/0.2]+(0.2/0.2)=3
(0.2/0.2/0.2)-(0.2/0.2)=4
(0.2/0.2/0.2/0.2)*0.2=5