1,（ ）+（ ）=A （ ）-（ ）=B （ ）除以（ ）=C（括号里填同一个数且ABC三个数的和是108,括号里填几?）

题目

1,（ ）+（ ）=A （ ）-（ ）=B （ ）除以（ ）=C（括号里填同一个数且ABC三个数的和是108,括号里填几?）
根据句子意思补充词语
2 the part pf the land that is away from the town.c_ _ _tr_
3 a mark on the ground that is left by an animal,a person or a car._ _ _ck
4 根据划线部分提问
A：________________B:we often plant trees in March.[划线部分in March]
A；________________B：the doctor has to check Matt's eyesight.[划线部分 check Matt's eyesight]

答案

1,设括号里的数为x,则x+x=A,x-x=0=B,x/x=1=C 所以A+B+C=2*x+0+1=
108 可得x=53.5
2,country 乡村
3,track痕迹
4,When do you often plant trees?
What does the doctor have to do?