20以内加减混合计算题250道ppt课件.ppt

8+7-9=,1,9+2-1=,2,3+9-6=,3,9+8-1=,4,9+9-2=,5,7+8-5=,6,7+3-7=,7,9+6-3=,8,9+7-4=,9,7+9-3=,10,5+5-9=,11,1+3-2=,12,4+2-1=,13,2+8-7=,14,10+1-8=,15,4+8-2=,16,10+7-5=,17,5+2-10=,18,8+5-5=,19,7+1-7=,20,6+5-10=,21,6+3-8=,22,6+4-2=,23,2+8-6=,24,7+7-3=,25,4+3-6=,26,9+3-9=,27,9+5-6=,28,9+1-10=,29,4+6-6=,30,7+5-9=,31,3+10-4=,32,7+9-3=,33,4+5-3=,34,9+2-7=,35,12+7-6=,36,9+10-6=,37,4+16-9=,38,4+6-1=,39,3+4-7=,40,13+6-8=,41,2+7-2=,42,8+2-8=,43,7+6-8=,44,3+8-6=,45,12+4-7=,46,3+8-6=,47,8+7-9=,48,10+9-9=,49,1+5-1=,50,7+9-8=,51,7+4-4=,52,4+8-8=,53,4+4-7=,54,5+9-1=,55,9+1-2=,56,8+1-5=,57,3+6-5=,58,7+8-5=,59,4+10-3=,60,7+2-5=,61,11+4-9=,62,10+5-2=,63,5+5-8=,64,13+2-6=,65,3+8-4=,66,2+3-4=,67,7+5-9=,68,2+4-3=,69,5+9-5=,70,6+6-2=,71,5+5-7=,72,4+4-2=,73,6+10-2=,74,9+2-5=,75,6+4-1=,76,9+5-7=,77,7+1-9=,78,5+7-1=,79,4+8-6=,80,8+1-8=,81,7+3-5=,82,6+6-7=,83,9+5-5=,84,3+7-3=,85,3+6-5=,86,3+3-5=,87,6+4-6=,88,7+3-1=,89,5+6-8=,90,5+4-3=,91,6+8-10=,92,9+3-5=,93,3+1-4=,94,8+5-3=,95,6+4-6=,96,7+9-7=,97,7+2-7=,98,10+7-2=,99,4+1-4=,100,12+2-6=,101,7+4-5=,102,6+8-5=,103,6+4-7=,104,7+5-4=,105,5+3-7=,106,6+6-1=,107,9+7-6=,108,8+1-2=,109,4+3-3=,110,4+8-2=,111,3+7-6=,112,7+6-4=,113,9+6-4=,114,9+6-2=,115,7+9-5=,116,12+7-8=,117,5+9-5=,118,8+7-10=,119,3+5-8=,120,9+8-6=,121,8+6-5=,122,7+6-2=,123,8+3-8=,124,8+3-5=,125,4+8-5=,126,7+9-2=,127,3+10-4=,128,6+2-6=,129,9+2-7=,130,4+10-1=,131,9+7-8=,132,5+7-8=,133,3+7-9=,134,10+8-4=,135,5+5-6=,136,4+8-7=,137,3+6-9=,138,6+1-9=,139,3+4-6=,140,6+9-6=,141,10+10-7=,142,6+7-4=,143,2+7-6=,144,10+1-3=,145,1+7-2=,146,5+3-3=,147,10+5-9=,148,4+3-9=,149,7+9-1=,150,5+8-8=,151,10+7-5=,152,4+8-4=,153,4+3-9=,154,3+8-5=,155,8+9-5=,156,8+6-3=,157,3+8-9=,158,5+3-4=,159,1+5-3=,160,4+6-3=,161,7+3-9=,162,6+9-7=,163,7+2-3=,164,4+7-5=,165,3+9-9=,166,5+8-2=,167,7+9-3=,168,8+5-2=,169,7+7-9=,170,4+11-10=,171,8+6-4=,172,12+5-7=,173,6+4-3=,174,8+5-3=,175,7+6-5=,176,6+3-4=,177,3+12-9=,178,4+9-7=,179,5+9-8=,180,4+4-2=,181,10+5-9=,182,1+2-3=,183,8+5-6=,184,6+8-8=,185,2+6-5=,186,7+7-9=,187,5+4-5=,188,8+9-5=,189,7+7-2=,190,6+9-2=,191,4+2-2=,192,8+5-3=,193,5+3-8=,194,3+3-2=,195,3+10-4=,196,9+10-3=,197,9+4-1=,198,4+2-7=,199,4+6-5=,200,6+7-6=,201,6+4-5=,202,7+9-6=,203,9+5-2=,204,4+9-3=,205,10+9-6=,206,6+3-6=,207,3+2-5=,208,8+6-9=,209,7+5-8=,210,8+4-8=,211,1+7-4=,212,8+8-4=,213,1+8-8=,214,7+7-2=,215,8+8-3=,216,6+4-9=,217,8+6-10=,218,5+9-10=,219,2+5-6=,220,5+4-6=,221,3+6-5=,222,8+7-7=,223,2+8-4=,224,7+7-8=,225,6+9-4=,226,4+8-2=,227,2+4-2=,228,4+8-3=,229,2+9-9=,230,8+3-6=,231,6+8-3=,232,6+7-5=,233,5+3-6=,234,6+1-6=,235,10+7-6=,236,8+6-10=,237,6+