Question

vă rog calculati pas cu pas :
-7+2+5+{-1+4-2+[-3+6-5+(-9+8-2)]}
+{-47+66+42+[-72+(+83-57+56)]}+29-98

dau ce punctaj vreti voi



AJUTOR VA ROGGGG
​

Answer 1

Răspuns:-6

Explicație pas cu pas:

-7+2+5+{-1+4-2+[-3+6-5+(-9+8-2)]}+{-47+66+42+[-72+(+83-57+56)]}+29-98=?

Sa o luam pe bucatele: -7+2+5=-5+5=0 deci ramanem cu {-1+4-2+[-3+6-5+(-9+8-2)]}+{-47+66+42+[-72+(+83-57+56)]}+29-98=?

Acum facem parantezele rotunde : -9+8-2=-1-2=-3 ; +83-57+56=26+56=82 si atunci avem [-1+4-2+(-3+6-5-3)]+[-47+66+42+(-72+82)]+29-98

Rezolvam parantezele rotunde: -3+6-5-3=3-5-3=-2-3=-5 ; -72+82= 10 deci ramanem cu(-1+4-2-5)+(-4-47+66+42+10)+29-98

Rezolvam parantezele rotunde : -1+4-2-5=3-2-5=1-5=-4 ; -4-47+66+42+10=-51+66+42+10=15+42+10=57+10=67 si ramanem cu -4+67+29-98=63+29-98=92-98=-6