15+19= 74+18= 53+46= 76-43= 87-56=
27+53= 56-26=
52+17= 38+56= 57+15= 49+16= 25+56= 29+66= 36+56= 63-59= 85-36= 64-25=
76+24= 34+62= 67-38=
55-16= 35+19= 36+38= 26+48= 76+16=
75-46= 59+23=
58+14= 24+37= 45+36= 55+26= 73-29= 64-16= 56+26= 36+45= 32+49= 98-53=
29+67= 56+24= 66-36= 55+29= 54+28= 39+36= 13+79= 39+21= 78-56= 29+36= 80-24= 51-15= 26+56= 60-32= 69+34= 46+34= 26+69= 68-26= 47-29= 49+25=
95-89= 80-56= 71+26= 69+26= 58-46= 25+57= 46+37= 29+42= 52+38= 36+28= 88-56= 36+36= 61+39= 64+36= 28+58= 51+28= 68-56= 19+38= 43+26= 54+42=
79-56= 65+32= 84-36= 64+36= 65+25= 37+32= 84-56= 61+22= 63+28= 45+25= 93-65= 97-58= 26+58= 29+74= 28+36= 96-68= 69-26= 23+68= 72-56= .27+69=
51-(14+37)= 49+20+23= 72-35-19=
45+（100-6）= 37+7+13= 84-(47+13)=
36+20+18= 36+15+39= 60-(14+27)=
83－(100－29)= 53-9-37 = 67-25+28=
58+8-20 = 77-8+12= 100-(56-28)=
81+9-46= 54-40+19= 97-(28+54)=
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