1.8*[6又5/12/16+3/8*(9-2又7/120]/2又3/4这道题应该怎么计算?写清楚因为算式长
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![1.8*[6又5/12/16+3/8*(9-2又7/120]/2又3/4这道题应该怎么计算?写清楚因为算式长](/uploads/image/z/2721489-33-9.jpg?t=1.8%2A%5B6%E5%8F%885%2F12%2F16%2B3%2F8%2A%289-2%E5%8F%887%2F120%5D%2F2%E5%8F%883%2F4%E8%BF%99%E9%81%93%E9%A2%98%E5%BA%94%E8%AF%A5%E6%80%8E%E4%B9%88%E8%AE%A1%E7%AE%97%3F%E5%86%99%E6%B8%85%E6%A5%9A%E5%9B%A0%E4%B8%BA%E7%AE%97%E5%BC%8F%E9%95%BF)
1.8*[6又5/12/16+3/8*(9-2又7/120]/2又3/4这道题应该怎么计算?写清楚因为算式长
1.8*[6又5/12/16+3/8*(9-2又7/120]/2又3/4
这道题应该怎么计算?
写清楚
因为算式长
1.8*[6又5/12/16+3/8*(9-2又7/120]/2又3/4这道题应该怎么计算?写清楚因为算式长
1.8×[(77/12)/16+(3/8)×(9-247/120)]/(11/4)
=1.8×[77/(12×16)+(3/8)×(833/120)]/(11/4)
=(1又4/5)×(77/192+833/320)×(4/11)
=(9/5)×(385/960+2499/960)×(4/11)
=(9/5)×(721/240)×(4/11)
=2163/1100
=1又1063/1100