Răspuns :
60-56+37+45-64+73-21
4+37+45-64+73-21
41+45-64+73-21
86-64+73-21
22+73-21
95-21
74
4+37+45-64+73-21
41+45-64+73-21
86-64+73-21
22+73-21
95-21
74
60-7×8+37+5×9-8×8+9×8-3×7=
=60-56+37+45-64+72-21
=4+37+45-64+72-21
=41+45-64+72-21
=86-64+72-21
=22+72-21
=94-21
=73
=60-56+37+45-64+72-21
=4+37+45-64+72-21
=41+45-64+72-21
=86-64+72-21
=22+72-21
=94-21
=73