問題詳情
49在學習 23+45 時，學童有一種解題策略是「2 個十、3 個一，加上 4 個十、5 個一」。此學童的解題特徵是屬於下列哪一個階段?
(A)序列性合成運思（sequential integration operation）
(B)累進性合成運思（progressive integration operation）
(C)部分─全體運思（part-whole operation）
(D)測量運思（measurement operation）
(A)序列性合成運思（sequential integration operation）
(B)累進性合成運思（progressive integration operation）
(C)部分─全體運思（part-whole operation）
(D)測量運思（measurement operation）
參考答案
答案：C
難度：適中0.471264
統計：A(61),B(126),C(246),D(8),E(0)
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