Răspuns :
○ (72:8 + 64:4)x10 + 5 173 =
= (9+16)x10 + 5 173 =
= 25x10 + 5 173 =
= 250+5 173 =
= 5423
○ (488-16x27):7 +105x3 =
= (488-432):7 + 315 =
= 56:7 + 315 =
= 8+315 =
= 323
○ (72:8 + 64:4)x10 + 5 173 =
= (9+16)x10 + 5 173 =
= 25x10 + 5 173 =
= 250+5 173 =
= 5423
○ (488-16x27):7 +105x3 =
= (488-432):7 + 315 =
= 56:7 + 315 =
= 8+315 =
= 323