640÷80= 15×5= 23×3= 12×2×5= 480÷80= 16×5= 27×3= 90÷15= 48÷4= 640÷16= 39÷3= 24×20= 32×3= 48÷16= 12×8= 27×3= 56÷14= 24÷8= 14×2= 83－45= 560÷80= 96÷24= 40÷20= 40×30= 37＋26= 76－39= 605＋59= 30×23= 12×8= 27＋32= 48＋27= 4500×20= 73＋15 = 120×600 = 200×360= 6800×400= 280＋270= 4×2500= 6000÷40= 5×1280= 310－70= 400×14= 470＋180= 1000÷25= 160×600= 20×420= 290×300= 8100÷300= 7600÷200= 7600÷400= 680＋270= 980÷14= 4200÷30= 6×1300= 1300×50= 200×48= 930－660= 530＋280= 9200÷400= 840÷21= 180×500= 8000÷500 = 1900÷20= 200×160= 8700÷300= 300×330= 3×1400= 7000÷14= 600÷12= 9600÷80= 140×300= 8800÷40= 9600÷800= 750－290= 5×490= 760×20= 7500÷500= 370×200= 650÷13= 8600－4200= 240×4= 25 -15 -80 = 26 -6 -64 = 27 + 3 -48 = 28 + 12 -32 29 + 21 -16 = 30 + 30 + 0 = 31 + 39 + 16 = 32 + 48 + 32 = 33 + 57 + 48 = 34 + 66 + 64 = 35 + 75 + 80 = 36 + 84 + 96 = 37 + 93 + 112 = 38 + 102 + 128 = 39 + 111 + 144 = 40 -30 -140 = 41 -21 -124 = 42 -12 -108 = 43 -3 -92 = 44 + 6 -76 = 45 + 15 -60 = 46 + 24 -44 = 47 + 33 -28 = 48 + 42 -12 = 49 + 51 + 4 = 50 + 60 + 20 = 51 + 69 + 36 = 52 + 78 + 52 = 53 + 87 + 68 = 54 + 96 + 84 = 55 -45 -200 56 -36 -184 = 57 -27 -168 = 58 -18 -152 = 59 -9 -136 60 + 0 -120 61 + 9 -104 62 + 18 -88 63 + 27 -72 = 64 + 36 -56 65 + 45 -40 = 66 + 54 -24 = 67 + 63 -8 = 68 + 72 + 8 = 69 + 81 + 24 70 -60 -260 71 -51 -244 = 72 -42 -228 = 73 -33 -212 = 74 -24 -196 =1.87+63-21 2.54-45+65 3.24-21+54 4.98-95+54 5.54+88-87 6.54+52-84 7.20+84-87 8.21+77-45 9.54+82-12 10.62+59-45 11.51-54+51 12.87-78+99 13.24+54-51 14.54+84-215 15.87-51+55 16.87-72+91 17.85-58+46 18.62+12-85 19.25+58-54 20.61-54+81 21.52-21+15 22.54-21+78 23.81+62-58 24.56+84+84 25.49+89-11 26.96-27+15 27.95-25+48 28.94-84+86 29.65-45+25 30.54-96+85 31.88+21-37 32.69+97-27 33.14+48-58 34.25+95-46 35.36+62-57 36.53+31-39 37.43+94-48 38.76+25-28 39.89+60-16 40.94+84-38 41.65+50-19 42.52+35-27 43.11+15-28 44.24+64-26 45.47+31-25 46.58+97-34 47.84+46-25 48.95+95-20 49.61+75-13 50.12+65-12 51.73+45-32 52.86+25-21 53.99+85-12 54.38+16-54 55.15+34-54 56.24+94-28 57.81+76-58 58.42+31-49 59.53+98-26 60.26+84-35 61.39+45-19 62.68+11-28 63.85+94-24 64.44+34-28 65.31+32-38 66.82+65-37 67.13+54-39 68.26+97-24 69.99+55-25 70.37+82-20 71.15+46-32 72.98+72-21 73.56+92-65 74.75+81-54 75.81+69-12 76.48+87-32 77.54+54-62 78.38+32-12 79.66+21-52 80.54+65-20 88.15+54-13 82.21+98-52 83.42+87-42 84.95+54-14 85.84+21-65 86.58+65-35 87.69+21-25 88.36+54-12 89.11+24-65 90.42+98-32 91.74+65-45 92.85+32-25 93.58+85-16 94.27+54-25 95.65+21-34 96.91+65-21 97.53+95-54 98.78+87-32 99.54+24-87 100.82+54-12
