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计算(-2又17/37)-[(+3又3/74)+(-5.5)]-(+2.25)
题目详情
计算(-2又17/37)-[(+3又3/74)+(-5.5)]-(+2.25)
▼优质解答
答案和解析
(-2又17/37)-[(+3又3/74)+(-5.5)]-(+2.25)
=-(2+17/37)-(3+3/74)+5.5-2.25
=-2-34/74-3-3/74+5.5-2.25
=(5.5-2-3-2.25)-(34/74+3/74)
=-1.75-37/74
=-1.75-0.5
=-2.25
=-(2+17/37)-(3+3/74)+5.5-2.25
=-2-34/74-3-3/74+5.5-2.25
=(5.5-2-3-2.25)-(34/74+3/74)
=-1.75-37/74
=-1.75-0.5
=-2.25
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