Yes, they used the abacus.
Yes, they used the abacus.
Yes, they used the abacus.
Yes, they used the abacus.
Yes, they used the abacus.
Yes, they used the abacus.
Yes, they used the abacus.
Yes, they used the abacus.
Yes, they used the abacus.
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Yes they had most of the tools and implements we use today
The Romans perfected concrete for use in building materials.The Romans perfected concrete for use in building materials.The Romans perfected concrete for use in building materials.The Romans perfected concrete for use in building materials.The Romans perfected concrete for use in building materials.The Romans perfected concrete for use in building materials.The Romans perfected concrete for use in building materials.The Romans perfected concrete for use in building materials.The Romans perfected concrete for use in building materials.
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Stone and turf.
The most significant contribution of the Romans to architecture had to be the dome. They were able to do this by the judicious use of concrete.The most significant contribution of the Romans to architecture had to be the dome. They were able to do this by the judicious use of concrete.The most significant contribution of the Romans to architecture had to be the dome. They were able to do this by the judicious use of concrete.The most significant contribution of the Romans to architecture had to be the dome. They were able to do this by the judicious use of concrete.The most significant contribution of the Romans to architecture had to be the dome. They were able to do this by the judicious use of concrete.The most significant contribution of the Romans to architecture had to be the dome. They were able to do this by the judicious use of concrete.The most significant contribution of the Romans to architecture had to be the dome. They were able to do this by the judicious use of concrete.The most significant contribution of the Romans to architecture had to be the dome. They were able to do this by the judicious use of concrete.The most significant contribution of the Romans to architecture had to be the dome. They were able to do this by the judicious use of concrete.