人教新课标版一年级数学第一册9加几1、组成:7184728261645652、口算:9+4=9+8=9+6=9+3=131715129加几19+3=想:9加()得10
19+3=想:9加()得10
112102121210加()得()
9加几9加几9+6=想:9加()得10
19加几9+6=想:9加()得10
115105151510加()得()
9加几9+5=想:9加()得10
19加几9+5=想:9加()得10
114104141410加()得()
9加几19+2=想:9加()得10
19加几9+2=想:9加()得10
111101111110加()得()
9加几9+4=想:9加()得10
19加几9+4=想:9加()得10
113103131310加()得()
9加几19+7=想:9加()得10
119+7=想:9加()得10
116106161610加()得()
9加几9加几9+8=想:9加()得10
19+8=想:9加()得10
117107171710加()得()
9加几3.9+5=9+2=9+9=9+4=9+8=9+6=9+7=9+3=凑十法