已知变量说明如下,计算下列表达式的值(各题的表达式相互无关).int a=1,b=2,c=3,d; double x=2.0,y(1) ++a * b--(2) a+b/c(3) a = = -b + c(4) d=a++,a*=b+1(5) d=y+=1/x(6) a
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![已知变量说明如下,计算下列表达式的值(各题的表达式相互无关).int a=1,b=2,c=3,d; double x=2.0,y(1) ++a * b--(2) a+b/c(3) a = = -b + c(4) d=a++,a*=b+1(5) d=y+=1/x(6) a](/uploads/image/z/2987087-23-7.jpg?t=%E5%B7%B2%E7%9F%A5%E5%8F%98%E9%87%8F%E8%AF%B4%E6%98%8E%E5%A6%82%E4%B8%8B%2C%E8%AE%A1%E7%AE%97%E4%B8%8B%E5%88%97%E8%A1%A8%E8%BE%BE%E5%BC%8F%E7%9A%84%E5%80%BC%EF%BC%88%E5%90%84%E9%A2%98%E7%9A%84%E8%A1%A8%E8%BE%BE%E5%BC%8F%E7%9B%B8%E4%BA%92%E6%97%A0%E5%85%B3%EF%BC%89.int+a%3D1%2Cb%3D2%2Cc%3D3%2Cd%3B+double+x%3D2.0%2Cy%281%29+%2B%2Ba+%2A+b--%282%29+a%2Bb%2Fc%283%29+a+%3D+%3D+-b+%2B+c%284%29+d%3Da%2B%2B%2Ca%2A%3Db%2B1%285%29+d%3Dy%2B%3D1%2Fx%286%29+a)
已知变量说明如下,计算下列表达式的值(各题的表达式相互无关).int a=1,b=2,c=3,d; double x=2.0,y(1) ++a * b--(2) a+b/c(3) a = = -b + c(4) d=a++,a*=b+1(5) d=y+=1/x(6) a
已知变量说明如下,计算下列表达式的值(各题的表达式相互无关).int a=1,b=2,c=3,d; double x=2.0,y
(1) ++a * b--
(2) a+b/c
(3) a = = -b + c
(4) d=a++,a*=b+1
(5) d=y+=1/x
(6) a
已知变量说明如下,计算下列表达式的值(各题的表达式相互无关).int a=1,b=2,c=3,d; double x=2.0,y(1) ++a * b--(2) a+b/c(3) a = = -b + c(4) d=a++,a*=b+1(5) d=y+=1/x(6) a
这个题主要靠运算优先级
(1) 4(先加,后减)
(2) 2/3
(3) 3
(4) 1,5
(5) y没定义,随机值吧
(6) 还是没y
(7) 没y
(8) 2
(9) 108
(10) 0,0,0
关于有y的等你补充好了题目再追问,我再给你解答吧