Question

Va rogg raspunsurile urgent dau coroana

Answer 1

2) a) -33+42-19= (-33+19)+42=-10

b) (-12):(+2)-1= -6-1= -7

c) 7 * (-6)- 25= -42-25= -67

d) 11*5=55

3) a) -23-2*(10+3*(13-(8-5)*(-7+6)))=200=

-23-2(10+3(13-3*(-1)))+200=

-23-2(10+3(13+3))+200=

-23-2(10+3*16)+200=

-23-2(10+48)+200=

-23-2*58+200=

-23-116+200=61

b) = (1-2)2020=

(-1)2020=1