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(2003•南通)计算的结果是A.3B.7C.-3D.-7
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(2003•南通)计算
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAC8AAAAXCAYAAACbDhZsAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
的结果是( )
A.3
B.7
C.-3
D.-7
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jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAACWSURBVDhP3ZPLEcAgCESpjJ5sh2YshVKIiIkG
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hxLVgmopmYcUFCSxpGloPEnm8tDcxLBCrdnsR9Q3M4uZIMuKWWyy34FiQoHH9Iik8+E6sBD6r3j+
qj5Nny5rsfMLN2zqeSiCl84AAAAASUVORK5CYII=
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