please calculation:

A[(1.456+ 4.579)-2.859:3]10=
B[(975:5)+(421.111-421.086)]: (27.590-27.580)]=

c.70.000-(57.700:100+3241:4:8 +1.382):1.000=

d.820.032-[(328.342-263.127)11]+7.0594=