8、7加几回顾9+4=9+8=9+6=9+3=2+9=5+9=131715121114一共有多少把？`同学们左边有几把小喇叭，右边有几把小喇叭？左边有8把右边有7把8+7=一...
8、7加几873□6□□□23986□□2235534668+2=8+2+2=8+2+5=8+2+8=8+2+6=8+2+3=1012151816137+3=7+3+4=7+3+5=7+3+2=7+3+7=7+3+9=101415171912...
8、7加几873□6□□□23986□□2235534668+2=8+2+2=8+2+5=8+2+8=8+2+6=8+2+3=1012151816137+3=7+3+4=7+3+5=7+3+2=7+3+7=7+3+9=101415171912...
8、7加几873□6□□□23986□□2235534668+2=8+2+2=8+2+5=8+2+8=8+2+6=8+2+3=1012151816137+3=7+3+4=7+3+5=7+3+2=7+3+7=7+3+9=101415171912...
