0.4和0.3和0.2和0.1 之间加上运算符号等于0.9 从0.4到0.1是等于0.9 像这样 0.4*0.3*0.2*0.1=0.9 *为运算符号

问题描述:

0.4和0.3和0.2和0.1 之间加上运算符号等于0.9 从0.4到0.1
是等于0.9 像这样 0.4*0.3*0.2*0.1=0.9 *为运算符号

0.4+(0.3+0.2)*1=0.9

0.2/0.4+0.3+0.1=0.9

0.4÷(0.3+0.2)+0.1=0.9
0.4+0.2÷(0.1+0.3)=0.9
0.2÷0.4+0.3+0.1=0.9