九九乘法口诀表a直接打印版
九九乘法口诀表1X1=11X2=22X2=41X3=32X3=63X3=91X4=42X4=83X4=124X4=161X5=52X5 = 103X5=154X5=205X5=251X6=62X6=1
九九乘法口诀表a直接打印版