A ) 1 , 4 . 15/49- (4/5+2/3) / B ) 0 , 7 . 2 2/3 . 20 . 0 , 375 . 5/28 C ) ( -3 / 2 ) . (-15)/64 + ( 0 , 8 – 2 4/15 – ) :3 2/3 D ) hỗn số 1 13 / 15
A ) 1 , 4 . 15/49- (4/5+2/3) / B ) 0 , 7 . 2 2/3 . 20 . 0 , 375 . 5/28 C ) ( -3 / 2 ) . (-15)/64 + ( 0 , 8 – 2 4/15 – ) :3 2/3 D ) hỗn số 1 13 / 15 . … Đọc tiếp