Question

简算1.34.5×9.23－34.5＋1.77×34.52.7.0875－4又2/3×0.72＋57/64÷2.853.

Answer 1

1.34.5×9.23－34.5＋1.77×34.5=34.5×（9.23+1.77-1）=34.5×10=3452.7.0875－4又2/3×0.72＋57/64÷2.85=7.0875-14/3*0.72+57/64*100/285=7.0875-14*0.24+5/16=7.0875+0.3125-3.36=7.4-3.36=4.043.1/2008＋1/1004...