分段函数a的值
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最佳答案:if x>=0 then y=xelsey=-xend ifprint y
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最佳答案:#includedouble fun(double x){double y = 0;if (x >= 0 x 20 x 40){y = x * x + 10
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最佳答案:private sub command1_click()input "x=";xselect case xcase is>=0y=x+2case 0y=0cas