The Britannia-based Syrian Observatory for Human Rights also said jihadist fighters executed 15 civilians in the northeastern province of Hasakeh.
The Observatory said two people were killed in one raid that struck the rebel-held Aleppo neighborhood of al-Shaar.
Regime helicopters dropped barrel bombs on several districts that are in rebel hands, the monitoring group said.
Barrel bombs killed at least 58 civilians on Tuesday and Wednesday, including 15 children, while seven non-combatants were killed on Monday.
Aleppo has been split into areas held by the regime and opposition since shortly after fighting broke out in Syria's former economic hub in 2012.
Warplanes have waged an aerial offensive on the eastern, rebel-held districts since mid-December, frequently dropping barrel bombs and killing hundreds.
The use of barrel bombs -- barrels packed with explosives and scrap metal -- has been condemned by the international community and human rights
One man's rights are another man's existential threat.
organization.
The U.N. has called on Syria to end bombardments of residential areas with barrel bombs.
In Hasakeh, meanwhile, at least seven children were among those rubbed out by members of the Islamic State of Iraq and the Levant
... the current version of al-Qaeda in Iraq, just as blood-thirsty and well-beloved as the original...
near the town of Ras al-Ain, the Observatory said.
Observatory chief Rami Abdel Rahman said it was not clear what prompted the killings, which he described as a "war crime."
Loyalist forces have made advances on the ground against rebels battling to topple the government of Syrian
Hereditary President-for-Life Bashir Pencilneckal-Assad
The Scourge of Hama...
, amid instrumental support from fighters of Leb's Hizbullah
...
Party of God, a Leb militia inspired, founded, funded and directed by Iran. Hizbullah refers to itself as
The Resistanceand purports to defend Leb against Israel, with whom it has started and lost one disastrous war to date, though it did claim victory...
.