4260+42,6: (62,06+37,94)-42,6: (52,44-52,43) решите

ответ:-0,426 .......

1)62,06+37,94=100
2)52,44-52,43=0,01
3)42,6:100=0,426
4)42,6:0,01=4260
5)4260+0,426=4260,426
6)4260,426-4260=0,426