Poke
2020
發(fā)布于 2025-05-22 · 圖片7
高思數(shù)學(xué)三下 11 簡(jiǎn)單乘法豎式
——數(shù)字專題第11講
末位分析
首位分析
多位數(shù)乘法豎式
題型:補(bǔ)全乘法豎式,通過分析豎式中末位數(shù)字、首位數(shù)字以及各數(shù)位之間的關(guān)系,結(jié)合乘法運(yùn)算規(guī)則來確定空格中的數(shù)字。包括多位數(shù)乘以一位數(shù)和多位數(shù)乘以多位數(shù)的豎式填空,常從末位或首位數(shù)字作為突破口進(jìn)行推理。
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