Răspuns:
a)(2⁴•3la8-3la8):5-27³=
=(16•6561-6561):5-27³=
=(104976-6561):5-27³=
=98415:5-27³=
=98415:5-19683=
=19683-19683=
=0
b)[(17²-11•3):8²+3•16]:13=
=[(289-11•3):64+3•16]:13=
=[(289-33):64+3•16]:13=
=(256:64+3•16):13=
=(4+3•16):13=
=(4+48):13=
=52:13=
=4
c)[12•15-(2⁴•5⁴-98²):2²:3²]:13
=[12•15-(16•625-9604):4:9]:13
=[12•15-(10000-9604):4:9]:13=
=(12•15-396:4:9):13=
=(180-396:4:9):13=
=(180-99:9):13=
=(180-11):13=
=169:13=
=13
