题目内容
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[单选题]
设a、b、c、d均是int类型变量,为了使以下程序段的输出为:1234+123+12+1,正确的输入形式应当是()。scanf(“%4d+%3d+%2d+%1d”,&a,&b,&c,&d); printf(“%4d+%3d+%2d+%1d”,a,b,c,d)
A.1234123121
B.1234123412341234
C.1234+1234+1234+1234
D.1234+123+12+1
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