(11,10) 1. "Moshe and Aaron performed all these wonders before Pharaoh..." Which wonders? This is after all the Plagues (minus the 10th); and if you will say the wonders of the previous verse which Rashi says are the Plague of the Firstborn, the splitting of the Sea of Reeds, and the stirring about of the Egyptians as they drowned in the Sea, our verse continues, "but Hashem strengthened the heart of Pharaoh, and he didn't send out the Children of Israel from the land." After the Plague of the Firstborn, Pharaoh's heart was NOT hardened, he pleaded with them to leave! And the wonders at the Sea, the Jews were already out of Egypt. So which wonders?