73-28+36÷9,要求第一步算加法,算式是______.
把73-28+36÷9变成第一步计算加法,算式就是:
73-(28+36)÷9.
故答案为:73-(28+36)÷9.
17.I wonder what’s your attitude ____ the problem ____ yesterday.
A.in; discussing
B.to; to be discussed
C.towards; discussed
D.with; being discussed
长白山北坡的温泉多数水温常年保持在()以上。
A.50—60℃
B.55—65℃
C.60—70℃
D.65—75℃