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简便运算34—*19.73+72/—+8.27*175%47

题目详情
简便运算
3 4
—*19.73+72/—+8.27*175%
4 7
▼优质解答
答案和解析
原式=(3/4)*19.73+72*(7/4)+8.27*(7/4)
=(3/4)*19.73+8.27*(3/4)+72*(7/4)+8.27
=(3/4)*(19.73+8.27)+72*(7/4)+8.27
=(3/4)*28+72*(3/4)+72+8.27
=(3/4)*(28+72)+(72+8.27)
=(3/4)*100+80.27
=75+80.27
=155.27