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20?32=44 答对追加二十分!IQ test:Insert the correct mathematical signs to make the calculation work:7 8 20 32=44

题目详情
20?32=44 答对追加二十分!
IQ test:
Insert the correct mathematical signs to make the calculation work:
7 8 20 32=44
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答案和解析
IQ测试:添加正确的数学符号使等式成立7x8+20-32=44