# include & ltstdio.h & gt# include & ltmath.h & gtvoid main(){ float x；雙y；printf("請輸入x的值:")；scanf("%f "，& ampx)；if(x & gt；=-10 & amp；& ampx & lt= 4){ y = fabs(x-2)；printf("y=%.2f\n "，y)；} else if(x & gt；= 5 & amp& ampx & lt= 7){ y = x+10；printf("y=%.2f\n "，y)；} else if(x & gt；= 8 & amp& ampx & lt=12) { y=pow(x，4)；printf("y=%.2f\n "，y)；} else printf("無答案\ n ")；}
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