`#laviken#`
`371,4-82=289,4`
`36,25\times24=870`
`372,96:3=124,32`
------------------------------------
`60-26,75-13,25`
`=60+(26,75+13,25)`
`=60+40`
`=100`
-------------------------------------
`4,86\times 0,25\times40`
`=4,86\times10`
`=48,6`
-------------------------------------
`45,28 + 52,17 - 15,28 - 12,17`
`=(45,28-15,28)+(52,17-12,17)`
`=30+40`
`=70`