2+18= 8-6= 16-1= 219= 2+12= 5+11= 17- 8-= = 10-= += 8+9= 112= 1+1 19-11= 7+1 10+9 16-= +15 34+11 1-15= 15+3= 9-4= 10+4-7= 2-1= -10= 6+8 18+2= +5= 2+6= 1+= 17-6+= 1716 14= 20-1= 12+10= += 20-3= 2+7= +3+7 19-6= 15-12= 91= 1-7+9= 14-= +2 1+ 12+2-2= 19-4= 5= 17+3= 5-4= 3+= 84= 17+9 18-9-5 1+3= 4+12= 143= -9+5= 1+14 5= +4= 1-7+17= 1-= 10+= 9-8= 15-+4 -8= 25= = -018= 43= 7-3= 9-4= 5-49= 613= 1= = 10+27 12+3= + -1 15-12+16= 52 7+7= 6+ -9= 2-= 0-13= 13+= 9+2 15- 20-1 5+8 7-7+0=18-12= 7+= 2-6= 7+2 += +13= +19= 19-3= 116= 7+13= 10-2 +8+= 116= 1+= 1+2= 1-+0 +5 2+0= 12= -8+1 8+2= 11-10= 3+ 8+5 3+7= 8+4= 8+2= 2-1= 1+4= 9+9= 150题 8+7= 0-18= 19-5= 用时( )分（ )秒 +6= -= 71= +16= 9+1 910= 10-= 181= 614= 18-8= 9+6= 8-6= -5= += 192= 1+9= 7-12= 64= 13-1= 168= 2+12 28= -8= 1-16= +8+5 19- 14= 3+4= 2+9+= -7= -1 1+5= 5-7 0-1= 1-10 7-= 108-= -3= 6+13= 11-3= 1+-9 11+7= 10+ 0-15= 17+8 1-7= 7-6= 19-16= 5-+8 +3= 58= 219 18- 5+13= 1+8= 9+7= 13+7-8=-2= 9 17- 9-+8 1= 18- 113= 1-= -= -= 12- 128 35= 9+5= 13-1= 8+8+5= 18-13= 12+8= 1+7= 9+3= +7= 155= 16-5= 18-+3 1-1 4= 3+4= 12+- 5-2= 7- 5+3= 1357 4+12= +5= 12+= 135-8 +7= 1-6= 78= 45-= 6= 1-6 1-1= 5-5+ 9= 11= 1-7= 47+3 4+1= 1+18= 9= 10+109= +13= +7= 1+=