计算:
99-1+98-2+96-4=______.
99-1+98-2+96-4,
=100-1-1+100-2-2+100-4-4,
=300-14,
=286.
故答案为:286.
In order to increase the______ of the farm______, our government offers a lot of money to the peasants every year.
A.products; produce
B.produce; production
C.production; produce
D.production; products
农药对胆碱酯酶都有抑制作用。