Răspuns :
- (5⁰+5¹+5²+5³):2²;
=(1+5+25+125):4;
=156:4;
=39;
- (7⁰+7¹+7²-3²):2⁴;
=(1+7+49-9):16;
=48:16;
=3;
- (2⁰+2¹+2²+2³+3²):2²;
=(1+2+4+8+9):4;
=24:4;
=6;
- (3⁰+3¹+3²+3³-2³):2³;
=(1+3+9+27-8):8;
=40:8;
=5;
=(1+5+25+125):4;
=156:4;
=39;
=(1+7+49-9):16;
=48:16;
=3;
=(1+2+4+8+9):4;
=24:4;
=6;
=(1+3+9+27-8):8;
=40:8;
=5;