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1.48grade30'+54grade40'

2.112grade48'+49grade15'

3.99grade25'34''+27grade28'29''

4.36grade37''38''+39grade38'37''

Va rog urgent dau coroana 15 puncte


Răspuns :

Răspuns:

1. 48° 30' + 54° 40' = 102° 70' = 103° 10'

2. 112° 48' + 49° 15' = 161° 63' = 162° 60'

3. 99° 25' 34" + 27° 28' 29" = 126° 43' 63" = 126° 44' 60"

4. 36° 37' 38" + 39° 38' 37" = 75° 75' 75" = 76° 60' 60"