Question

1又3分之1减去几个3分之1这样的分数单位就等于2分之1

Answer 1

1又3分之1 = 4/3

(4/3 - 1/2) / (1/3) = (5/6)*3 = 5/3 = 1又3分之2

所以,

1又3分之1减去1又3分之2个3分之1这样的分数单位就等于2分之1