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1) (450+456:8)x19-440:4=?


2) 9450-[(9x9+6x7)-(56:8+7x7)]x8-4324=?



Dau coronita


Răspuns :

1)(450+456:8)x19-440:4=(450+57)x19-440:4=507x19-440:4=9633-110=9523 2)9450-[(9x9+6x7)-(56:8+7x7)]x8-4324=9450-[(81+42)-(7+49)x8-4324=9450-(123-56)x8-4324=9450-67x8-4324=9450-536-4324=8914-4324=4590