1020171314+1-1+3+6+**********+10+1+1+1+101011121314+2+10+10+10+21011121314+3+2+2+2+31011121314+4+3+3+3+41011121314+5+4+4+4+51011121314+6+5+5+5+61011121314+7+6+6+7+71011121314+8+7+7+8+81011121314+9+8+8+9+91011121314-1+9+9-1-**********-10-1-1-10-101011121314-2-10-10-2-21011121314-3-2-2-3-31011121314-4-3-3-4-41011121314-5-4-4-5-51011121314-6-5-5-6-61011121314-7-6-6-7-71011121314-8-7-7-8-81011121314-9-8-8-9-91511121819+1-9-9+1+**********+10+1+1+10+101516171819+2+10+10+2+21516171819+3+2+2+3+31516171819+4+3+4+4+41516171819+5+4+5+5+51516171819+6+5+6+6+61516171819+7+6+7+7+71516171819+8+7+8+8+81516171819+9+8+9+9+91516171819-10+9-1-1-**********-2-1-10-10-101516171819-3-10-2-2-21516171819-4-2-3-3-31516171819-5-3-4-4-41516171819-6-4-5-5-51516171819-7-5-6-6-61516171819-8-6-7-7-71516171819-9-7-8-8-82016171819+1-8-9-9-92016202020+2-9+10-10+52020202020+3-2+6-6+72020202020+4-3+8-8-52020202020-19-4+9-9-7579118+6+4+9-9+77814916+19+15+9+21-765237658+19+14+32-15+171920503025+19-14+9-11-7
20以内加减法竖式题 来自淘豆网m.daumloan.com转载请标明出处.