《分数的意义》张齐华五年级下册VIP专享VIP免费

分数的意义把看着“1”2个“1”是24个“1”是4把看着单位“1”5个“1”是5把看着单位“1”6个“1”是61米把看着单位“1”···5················3·······························1······························43把看着单位“1”······（）····························（）····························（）把看着单位“1”1米······（）······································（）······································（）把看着单位“1”·······················（）·······（）·······················（）把看着单位“1”······（）····························（）····························（）4143把看着单位“1”1米······（）··························（）···························（）3143把看着单位“1”····················（）·······（）···················（）214301单位“1”43424123