- 心(heart (pictographic))
The character depicts a heart shape with three strokes like heartbeats, symbolizing the soul and emotions.
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mental arithmetic
He is very quick at mental arithmetic.
to calculate in one's head
He is very quick at mental arithmetic.
planning
He does mental arithmetic very quickly.
mental arithmetic
He is very quick at mental arithmetic.
to calculate in one's head
He is very quick at mental arithmetic.
planning
He does mental arithmetic very quickly.
The character depicts a heart shape with three strokes like heartbeats, symbolizing the soul and emotions.
Ancient calculation used bamboo sticks as a tool to count numbers.
The character depicts a heart shape with three strokes like heartbeats, symbolizing the soul and emotions.
Ancient calculation used bamboo sticks as a tool to count numbers.
mental arithmetic
mental arithmetic
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preparation
Mental arithmetic is a method of rapid calculation.
preparation
Mental arithmetic is a method of rapid calculation.