三年級(jí)數(shù)學(xué)口算乘法公開(kāi)課
口算乘法,過(guò)河嘍,15,36,40,27,28,30,56,72,謝謝同學(xué)們,9個(gè)10,64,3個(gè)十,82,47,93,83,75,趣味橋,43,12,56,30,38,24,78,56,46,67,口算,68,69,89,54,48,42,
1、口算乘法,過(guò)河嘍,15,36,40,27,28,30,56,72,謝謝同學(xué)們,9個(gè)10,64,3個(gè)十,82,47,93,83,75,趣味橋,43,12,56,30,38,24,78,56,46,67,口算,68,69,89,54,48,42。