75 * 0.82 + 2.5 * 8.2 simple operation 13.75+45÷1.8*25 12.5*4.8÷1.5÷5 | Math enthusiast | Mathematical art

75 * 0.82 + 2.5 * 8.2 simple operation 13.75+45÷1.825 12.54.8÷1.5÷5

75*0.82+2.5*8.2
=75*0.82+25*0.82
=0.82（75+25）
=82
13.75+45÷1.8*25
=13.75+45÷45
=13.75+1
=14.75
12.5*4.8÷1.5÷5
=12.5*8*0.6÷1.5÷5
=60÷5÷1.5
=12÷1.5
=8

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