7/10÷[（1/3+1/6）×2/5]:?3|(S)L)l*U'p:r2T
算式：提示2`0k+t1R2{)N(W+j:?3|(S)L)l*U'p:r2T
=(M:_'Q:}7U4N0}8a:?3|(S)L)l*U'p:r2T