0.2 0.2 0.2 0.2 0.2=0填上符号或括号
问题描述:
0.2 0.2 0.2 0.2 0.2=0填上符号或括号
答
(0.2 0.2 0.2)x(0.2-0.2)=0 前面括号内符号随意
答
0.2×(0.2+0.2-0.2-0.2)=0或(0.2+0.2-0.2-0.2)÷0.2=0
(0.2×0.2-0.2×0.2)×0.2=0或(0.2×0.2-0.2×0.2)÷0.2=0
(0.2×0.2÷0.2-0.2)×0.2=0或(0.2×0.2÷0.2-0.2)÷0.2=0
(0.2÷0.2-0.2÷0.2)×0.2=0或(0.2÷0.2-0.2÷0.2)÷0.2=0
(0.2-0.2)÷0.2+0.2-0.2=0或(0.2-0.2)×0.2+0.2-0.2=0
(0.2-0.2)×或÷(0.2 0.2 0.2)=0后面括号内符号任意
答
(0.2-0.2)* 0.2*0.2*0.2=0
答
0*(20+20+20+20+2)=0
答
(0.2-0.2)×(0.2+0.2÷0.2)=0