笑話指數                                                 評論區

R3+R9=R2                       ★★★

R1+R7=R3+R2                    ★★★★★★

R3+R5=R2+??                    ★★★

FA    =  R6                    ★★★★★★

R1 +R4 +
R7 =R2 +                       ★★★★★
+ R2 +R6


R1+R3+R9 =                     ★★★
R3 +R2 +R6

FA FA(懶的打名)                ★★★
換 R9