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ex 5 Va rog frumos urgent!!!!, dau coroana!!!

Ex 5 Va Rog Frumos Urgent Dau Coroana class=

Răspuns :

a)37+3*4=
37+12=49

b)[(20+3*14)*5-6*5]*2-400=
[(20+42)*5-30]*2-400=
[62*5-30]*2-400=
[310-32]*2-400
278*2-400
556-400=156
37+3X4=37+12=49

[(20+3X14)X5-5X6]X2-400=
[(20+42)X5-30]X2-400=
(62X5-30)X2-400=
(310-30)X2-400=
280X2-400=570-400=170