ᠬᠠᠷᠠᠬᠳᠠᠳᠠᠭ
1.
① 7 10 / 5% 1 3
② 3 4 / 5‰1%
2 3
③ 1 3 / 10%
④ 1 / 5% 24
2.
B12
① 2 3 5
②
③
④
⑤ B12 C E
⑥ K3