75*0.82+2.5*8.2简便运算13.75+45÷1.8*2512.5*4.8÷1.5÷5

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/07 23:54:24
75*0.82+2.5*8.2简便运算13.75+45÷1.8*2512.5*4.8÷1.5÷5

75*0.82+2.5*8.2简便运算13.75+45÷1.8*2512.5*4.8÷1.5÷5
75*0.82+2.5*8.2简便运算
13.75+45÷1.8*25
12.5*4.8÷1.5÷5

75*0.82+2.5*8.2简便运算13.75+45÷1.8*2512.5*4.8÷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