Question

вычислите (4 1/6:3 1/3×0,2+5/6)×3+0,75

Answer 1

) (4 1/6 :3 1/3* 0,2+5/6)*3+0,75=(25/6:10/3*0,2+5/6)*3+0,75=(5/4*0,2+5/6)*3+0,75=(1/4+5/6)*3+0,75=13/12*3+0,75=13/4+0,75=3,25+0,75=4
2)( 3,8:9,5+3,9:1,5-1 5/8):0,75=(0,4+2,6-13/8)/0,75=(24/8-13/8)/0,75=11/8:0,75=11/8: 75/100=11/6=1 5/6