9/8÷[（2/5+1/10）×3/4](}0k3z4v(L(f6q5u
算式：提示;K4~7G5N'a8H(}0k3z4v(L(f6q5u
=8Q3x0f,}9]*Q6U;T0s1z(r7P:c4H(}0k3z4v(L(f6q5u