已知甲乙两数之和是110,甲数的1/4与乙数减去10相等。问:乙是多少?8q5i;{*u6K/B3]5s,M:O
解:
算式:提示4y)M*r1H;@;A1M)I:J2a)r8q5i;{*u6K/B3]5s,M:O
答:乙是+x5p*`4C8p7c.v。8q5i;{*u6K/B3]5s,M:O