2.8与4的积,减去6.5除以5的商,差是多少?
2.8×4-6.5÷5
=11.2-1.3,
=9.9.
答:差是9.9.
—My child has just passed the driving test.
—__ _.
A.It depends
B.At your service
C.Congratulations
D.It serves you right
用于内服、注射是处方药,而外用是非处方药的是
A.对乙酰氨基酚
B.布洛芬
C.西咪替丁
D.氢化可的松
E.氢溴酸右美沙芬