Question

ajutați-ma la cele incercuite​

Answer 1

Răspuns:

g)9+12×(-5+7)=9+12×(+2)=9+24=33

h)-15-(2+4la puterea a doua)= -15-(2+16)=-15-18=-33

i)5+3x2 La puterea a doua =5+3×4=5+12=17

j)(-1la puterea a treia)×(-5)+6-20=(-1)×(-5)-14=

5-14=-9

k)(-9-20+4):(-5)=(-25):(-5)=+5

l)-25+6-38:19=-19-2=-21