1:
> >
= <
< >
2: ⑴ ① ② ④
⑵ ① ③ ④
3: 鸭 210 鹅 170
4: 梨 76-33=43
苹果 76×2+10
=152+10
=162
5:{05wang.com}
13-45÷5
=13-9
=4
6: 42x2=84
42x3=126
最少有85个
最多有125个