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一、错例呈现生1做法:两台拖拉机耕同一块地,第一台耕了这块地的3/5,第二台耕了3/5公顷,正好耕完,两台拖拉机耕的地相比较,(③)①第一台耕得多②第二台耕得多③一样多④无法比较生2做法:两台拖拉机耕同一块地,第一台耕了这块地的3/5,第二台耕了3/5公顷,正好耕完,两台拖拉机耕的地相比较,(②)①第一台耕得多②第二台耕得多③一样多④无法比较生3做法:两台拖拉机耕同一块地,
First, the wrong example presents a practice: two tractors plow the same piece of land, the first one plowing this piece of land 3/5, the second plow 3/5 hectares, just plowing finished, two tractors plowed land (3) ① The first one is far more plowed ② The second one is more plowed ③ The same is more ④ The first one is plowed 3/5 , The second one 3/5 hectare, just plowing finished, compared to two tractors plowed land (②) ① the first more plowing ② the second plowing more ③ as much ④ can not compare students 3 practices : Two tractors plow the same piece of land,