49÷7+(21+21÷3+42÷6-48÷6)÷9=va rog frumos

Răspuns :

49:7+(21+21:3+42:6-48:6):9
=7+(21+7+7-8):9
=7+(28+7-8):9
=7+(35-8):9
=7+27:9
=7+3
=10

49÷7+(21+21÷3+42÷6-48÷6)÷9 = 7 +(21+7+7-8):9 = 7+27:9 = 7+3 = 10