Răspuns :
4+4+5×(36:6-6)+7-8:8×9=4+4+5×(6-6)+7-8:8×9
=4+4+5×0+7-8:8×9
=4+4+0+7-1×9
=4+4+0+7-9
=8+0+7-9
=8+7-9
=15-9
=6
=4+4+5×0+7-8:8×9
=4+4+0+7-1×9
=4+4+0+7-9
=8+0+7-9
=8+7-9
=15-9
=6