👤

calculati:
a)(-6-4)-(-10+8)+(-2+9)
b)[-6-(-9+2)+(-5+8)]-[-2+6-(-6+8)]


Răspuns :

a)-10-(-2)+7=-10+2+7=-1

b)[-6-(-7)+3]-(-2+6-2)=(-6+7+3)-2=4-2=2
.......................................
Vezi imaginea MILADYDANCECLUB