【-0.5²+(-1/2)²-|-2²-4|+(2 1/4)²x16/27】÷(0.1)² 急【-0.5²+(-1/2)²-|-2²-4|+(2 1/4)²x16/27】÷(0.1)²最后得-500(老师说)
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/14 22:30:53
![【-0.5²+(-1/2)²-|-2²-4|+(2 1/4)²x16/27】÷(0.1)² 急【-0.5²+(-1/2)²-|-2²-4|+(2 1/4)²x16/27】÷(0.1)²最后得-500(老师说)](/uploads/image/z/5167476-36-6.jpg?t=%E3%80%90-0.5%26%23178%3B%2B%28-1%2F2%29%26%23178%3B-%7C-2%26%23178%3B-4%7C%2B%282+1%2F4%29%26%23178%3Bx16%2F27%E3%80%91%C3%B7%280.1%29%26%23178%3B+%E6%80%A5%E3%80%90-0.5%26%23178%3B%2B%28-1%2F2%29%26%23178%3B-%7C-2%26%23178%3B-4%7C%2B%282+1%2F4%29%26%23178%3Bx16%2F27%E3%80%91%C3%B7%280.1%29%26%23178%3B%E6%9C%80%E5%90%8E%E5%BE%97-500%EF%BC%88%E8%80%81%E5%B8%88%E8%AF%B4%EF%BC%89)
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【-0.5²+(-1/2)²-|-2²-4|+(2 1/4)²x16/27】÷(0.1)² 急【-0.5²+(-1/2)²-|-2²-4|+(2 1/4)²x16/27】÷(0.1)²最后得-500(老师说)
【-0.5²+(-1/2)²-|-2²-4|+(2 1/4)²x16/27】÷(0.1)² 急
【-0.5²+(-1/2)²-|-2²-4|+(2 1/4)²x16/27】÷(0.1)²最后得-500(老师说)
【-0.5²+(-1/2)²-|-2²-4|+(2 1/4)²x16/27】÷(0.1)² 急【-0.5²+(-1/2)²-|-2²-4|+(2 1/4)²x16/27】÷(0.1)²最后得-500(老师说)
【-0.5²+(-1/2)²-|-2²-4|+(2 1/4)²x16/27】÷(0.1)²
=【-0.25+0.25-|-8|+(81/16x16/27)】÷0.01
=(-8+3)×100
=-5×100
=-500