英和和英

an ostentatious display

mathematical signs

an after-math

a visual image

exhibiting mimicry

display surprise

（写真の裏に書けば）（presented） to Mr. A. B. with best wishes from C. D.―（本に書けば）―With the author's compliments.

mathematics

the opening act―the first act―the prelude

the opening act

naming numbers

a running commentary

one's honor (to others)

impression

manifestly demonstrative

a foreign expedition

exhibiting ectopia

mathematical proof

a mathematical whiz

a letter of inquiry

a letter of sympathy

a hint

math practice

one eye

make visible

make visible

an algebraic expression

a mathematical equation

be on display

for show