1、 8+58+5= = 5 10 15 20 8+58+5= = 5 10 15 20 8 8+ +5 5= = 5 10 15 20 1313 13135 5= = 5 10 15 20 13135 5= = 5 10 15 20 13135 5= = 5 10 15 20 8 填空填空 5 10 15 20 7 75 5 = = 1212 = = 5 10 15 20 7 75 5 = = 1212 = = 1212 填空填空 5 10 15 20 7 75 5 = = 1212 = = 1212 5 57 7 填空填空 5 10 15 20 6 6 = = 1111 = = 填空填空 5
2、10 15 20 6 6 = = 1111 = = 5 51111 填空填空 5 10 15 20 6 65 5 = = 1111 = = 1111 5 56 6 5 5 填空填空 5 10 15 20 = = = = 填空填空 5 10 15 20 = = = = 8 88 81616 填空填空 5 10 15 20 = = = = 填空填空 9+3=9+3= 12-3=12-3= 5+6=5+6= -6=-6= 8+4=8+4= -4=-4=-7=-7= 6+7=6+7= 填数填数 12 9 11 115 12 12 8 13 13 6 11 116 6 12125 5 5 56 6 14
3、147 7 17178 8 填数填数 11 116 6 12125 5 5 56 6 14147 7 17178 8 5 11 11 116 6 12125 5 5 56 6 14147 7 17178 8 12127 7 7 7 5 5 5 11 11 116 6 12125 5 5 56 6 14147 7 17178 8 12127 7 7 7 5 5 1414 7 7 7 77 7 5 11 11 116 6 12125 5 5 56 6 14147 7 17178 8 1212 8 8 1717 7 7 7 7 9 9 5 5 14149 9 7 7 7 77 7 5 11 连线连线 9+3=129+3=12 6+8=146+8=14 12+3=1512+3=1512-3=912-3=9 9-3=69-3=6 14-8=614-8=6 15-3=1215-3=12 6+3=96+3=9 从从2 2、3 3、5 5、8 8、1010、1313中选出三中选出三 个数写出两道加法算式和两道减法算个数写出两道加法算式和两道减法算 式式 我选(我选( )()( )()( )