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答案:
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1.∑D∑(y,-y)
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2.B (x
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3.y y y y y y y y y y y
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4.#includeint main(){ int x=-5,y=6, z = 7; printf("x=%d,y=%d,z=%d",x,y,z); x++; y=x+z; printf(
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5.Now read the following syllables in groups.第一组:gūdú —— gùlǜ —— gūlì lìyì —— lǐwù —— lǐyú第二组:dīdù
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6.#include void fun( int *x, int *y) { printf("%d%d", *x, *y); *x=3;*y=4; } void main() { int x=1,
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7.关于x≥y≥z的正确C语言表达式是()。A、(x>=y)&&(y>=z)B、(x>=y) AND (y>=z)C、(x>=y>=z)D、(x>=z)&(y>=z)
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8.D=((x y)Z-2,y=0, y= 2,x=-2y-y)
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9.已知二次函数y=3(x-1)A、y 1 >y 2 >y 3B、y 2 >y 1 >y 3C、y 3 >y 1 >y 2D、y 3 >y 2 >y 1
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10.repl y A.health y B.satisf y C.empt y D.simpl y