999999-999999999等于几

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999999-999999999等于几
999999-999999999等于几

999999-999999999等于几
答案是：-999000000
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999999-999999999等于几 999999+999999等于几 999999+10000000等于几 8888888加999999999等于几? 999999999999999加999999999等于几? 1+2+.+999999等于几等于几? 等于几? 等于几? 等于几? 等于几? 等于几, 等于几? 等于几? 等于几? 等于几? 等于几.* 等于几?