能写善算

能 = 匕 + 厶 + 月 : Mnemonic symbol: bicorne hat.

能 = 匕 + 厶 + 月 : Napoleon and the moon are fighting over who's the real Napoleon in the engine's kitchen. They both wield a ladle each. During the battle, Napoleon destroys the moon's fake nose, while the moon dents Napoleon's bicorne hat.

写 = 冖 + 与 : Marie Curie (xi) finds the sleepy black horse (与) sleeping during a party in the elevator (e3). As it is the custom, she writes (与) on the sleepy black horse's body with a white felt-tip pen. She also decorates his head with a cooking top (冖).

善 = 业 + 口 + 羊 : Mnemonic symbol: a good book about etiquette.

Sherlock Holmes (sh) finds a bullfrog (业) and a sheep (羊) fighting viciously over a mandarin (口) in the anthill's bathroom (an4). He finds this behaviour unbearable and starts to read Emily Post to them to teach them some manners (善).

算 = ⺮ + 目 + 廾 : In anthill's bathroom it's Susan Saint Bernard versus the Eye of Providence. The Eye of Providence figures that it has no chances against Susan Saint Bernard who yields two double-axes, while he has only a bamboo stick. He calculates that his chance of survival is rather low.