Question

exercitul 3,4,5 si sase de la testul 1

Answer 1

3)[(-3)⁷]²:(-3)¹¹+(-2)*(-2)²*(-2)³:(-2)⁴=
=(-3)¹⁴:(-3)¹¹+(-2)²=
=(-3)³+(-2)²
=-27+4
=-23
100:(-10):(-5)+4*(-4)+(-5)²=
=2+(-16)+25=
=11
4)a=(-1)²+(-1)³+(-2)³
a=1+(-1)+(-8)
a=-8
b=16:(-4)-24:(-3)+20
b=-4+8+20
b=24
a)-8 op. 8
b)|a+b|=|-8+24|=|16|=16
5)[-7+(-3)*(-4)]*[5-6:(+2)]-11=
=(-7+12)*(6-3)-11=
=5*3-11=
=15-11=
=4
6)a=|3-5|*|1-4|
a=|-2|*|-3|
a=2*3
a=6
b=-24:(-6)+2³
b=4+8
b=12
6<12⇒a<b
b)ab+ac-7=53
a(b+c)=60
a*20=60
a=60:20
a=3