do while .t.clear input '请输入一个数' to x if vartype(x) ="n" wai

do while .t.clear input '请输入一个数' to x if vartype(x) ="n" wai INPUT"请输入一个数"to score DO CASE CASE score>=400 ?S1=(X-400)*0. 执行下列程序段后,变量T的值是?T=0 For x = 2To 3 n=1 DO While n《=x t=t+n :n 判断输入语句 INPUT "X=";X,Y 是否正确. INPUT "x=";x VFP：set talk off clear s=0 for m=3 to 7 n=2 do while n INPUT x IF x>9 AND x 一道VF题求答案SET TALK OFFCLEARSTORE 0 TO X,YDO WHILE .T.X=X+1DO C VFP 如下.SET TALK OFFX=5DO WHILE .T.X=X+1IF X=INT(X/5)*5ELSELO clear x=12345 y=0 do while x>0 y=y+x%10 x=int(x/10) enddo y 输入语句的数学题正确的一项A.INPUT x,y,z B.INPUT "x=";x,"y=";yC.INPUT 2,3, 数学基本算法语句下列输入语句错误的是 并说明原因 每一项都要INPUT 2,3,4 INPUT X=2INPUT X,Y