أريدحل تمارين في الرياضيات 53،54،55 ص78PPPPPPPPPPPPPPPPPPPPPPPPPP PPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP PPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPLLL LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLEEEEEEEEEEEE EEEEz