题目
怎样简便怎样算.(1) × ÷ (2) ÷7+ × (3) ×(18+ )(4) ×0.25+ × (5)86× (6) ÷( + ) 答案:【答案】(1)解: × ÷ = ÷ = ;(2)解: ÷7+ × = × + × =( + )× = × = ;(3)解: ×(18+ ) = ×18+ × =15+ =15 ;(4)解: ×0.25+ × = ×(0.25+ )= ×1= ;(5)解:86× =(85+1)× =85× +1× =4+ =4 ;(6)解: ÷( + ) = ÷ = .【解析】(1)按照从左向右的顺序进行计算;(2)、(3)
我会选。
春游
A.绿荷池
夏赏
B.白雪诗
秋饮
C.芳草心
冬吟
D.菊花茶