＜ ＜ ＜
＋38＝40 －45＝29 ＋26＝83 72－＝35
25+53= 44+38= 80-23=
22+16+39= 75-28+45= 94 - (19+47) =
69+27= 53-25= 43+24 =
77-58+32= 88-(38-19) = 36+18+27=
27+62= 58+29= 92-69=
33+37+16= 76-(24+39)= 80-45-27=
