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1、1) 84-49= 89-36= 47+11= 25-637 57+96= 81+83= 46+41= 73-459 29-34= 86+94= 2) 93-455 94-255 11-546 819+99= 77-38= 568+57= 33+183= 61-74= 71-75= 63-34= 3) 69+41= 69-27= 98-213 69-52= 51-102 17-273 47+637= 255+87= 51-34= 306+93= 426+97= 88+19= 279+86= 41-355 243+85= 66-55= 52+39= 35+153= 96-32= 60+25= 7
2、3-83= 88-182 77-75= 76+46= 15-213 77+48= 98-568 87-89= 89-89= 48-126 31+497= 85-40= 68-648 73-305 488-3= 37-17= 99-83= 86-328 28+38= 46+27= 69-243 68-27= 124+51= 27-186 20-102 95+34= 36-164 568+76= 87-59= 16+273= 54+39= 11+284= 47-427 96-819 79+34= 15+182= 60+76= 488+56= 91-486 94-287 97+42= 81-637
3、36-728 60-87= 62+59= 70+57= 47-639 43-546 99+47= 408+78= 182+55= 52-36= 67+78= 11+273= 77-35= 32-93= 4) 76-182 85+48= 648+58= 92-305 75+24= 77-57= 57-24= 40+729= 69+25= 328+81= 5) 38-279 26-102 549+58= 26-186 77-15= 90+88= 30-328 90-93= 80+54= 30-355 405+88= 82-16= 88+99= 427-4= 15+153= 17-639 62+86
4、= 29+306= 17-205 93-147 82-279 96-98= 25-155 24-427 44-48= 27+49= 36-364 40-105 78-729 53+49= 246+91= 246+54= 44-38= 488+64= 86-97= 284+89= 71-427 37+279= 56-19= 81+32= 60-284 648+81= 86-637 92-46= 17-568 20-52= 88-486 77-55= 24-364 96-52= 31-105 20-648 94+67= 23-213 58+69= 35+27= 48+26= 82-14= 44+1
5、26= 43+728= 19+153= 32-324 99+39= 84-77= 57-408 204-2= 69+38= 90-84= 48-31= 84-47= 75-16= 99+14= 54-546 29-82= 60-497 73+93= 6) 76-147 36-328 124+74= 95-42= 37+244= 81+75= 79+85= 70-729 38-123 405+66= 7) 102+95= 73+16= 94+99= 37+637= 23+306= 60-164 246+83= 40+488= 65-45= 79-39= 72-305 82-497 79+96=
6、99+54= 54+58= 72-79= 92-408 98-60= 12+162= 13+305= 64-37= 408-4= 567+92= 96-567 79+28= 36-63= 637+88= 24-287 369+53= 72+44= 68-65= 68+38= 26+28= 89-38= 87-648 81+54= 369+85= 497+61= 87+82= 91-95= 78-77= 98+97= 24+305= 29-74= 64-86= 105+60= 23-42= 155+72= 84-426 72-408 69-40= 66-426 41-62= 48+324= 24
7、3-7= 99+50= 12-189 76+22= 49-279 55-279 98+37= 41+366= 35-306 73+29= 63+24= 38-305 58-426 29+567= 549+93= 80-75= 70+72= 69-83= 97-65= 11+246= 37-244 51+63= 8) 81-546 99-38= 80+85= 56-186 39+49= 19-427 78+76= 50+142= 68+19= 23+42= 9) 59+54= 63+98= 45+44= 37+48= 66-83= 728+88= 79-52= 83-86= 74+74= 153
8、+92= 94+69= 56+44= 57-45= 43+153= 284+55= 29-155 86-73= 273-3= 56-27= 182+77= 18+366= 32-124 37+162= 88-33= 21+819= 80-142 67+36= 357-3= 52-459 35+162= 92-34= 97+20= 84-42= 455+87= 75-49= 92+44= 29+16= 56-244 88-47= 42+14= 48-168 244+62= 44+549= 34+243= 52+94= 17+639= 65-648 45-59= 49-86= 408+64= 33
9、+23= 84+92= 44-43= 27+43= 49-273 82+33= 64-147 79-248 124+53= 53-64= 40-123 73+36= 24+21= 55-455 35-83= 66-67= 27-52= 35-74= 549+87= 56+65= 89+46= 155+91= 364-4= 94+35= 33-38= 10) 94+66= 56-11= 61+76= 86+34= 83-64= 80-45= 45-549 66+25= 42+305= 44-11= 11) 26-639 86-243 287+78= 93-213 13+243= 87-248 3
10、64+72= 26+426= 70+95= 75+35= 204-3= 38+459= 63+32= 12+819= 41-58= 19-549 205+74= 24+122= 17-305 57+93= 19+427= 97+74= 639+97= 80-105 89+36= 16-126 66-29= 70+52= 87-427 52-10= 64+16= 86+59= 64-78= 39+27= 89+97= 71-105 182-7= 77+79= 73-105 142+99= 95-99= 306+85= 28+35= 73+22= 54-36= 74-162 96+47= 62-4
11、3= 69+35= 324+76= 40-126 59-40= 78-97= 94+34= 68-284 45+24= 20-92= 99-284 69+77= 49+43= 93+33= 98-205 99-168 39-46= 58-405 88-75= 59+48= 84-15= 83-65= 86-35= 63-85= 98+32= 58-52= 35-366 54+25= 86-27= 12) 44+41= 75+34= 36+255= 25-34= 58-567 77-23= 97-183 23-105 39+637= 92-153 13) 86+95= 32-53= 77+36=
12、 64-164 50+102= 94+65= 36+23= 36-56= 186+74= 72-164 14) 29+455= 98-77= 91-46= 30-105 99-89= 51-168 27-42= 83-255 35-217 12+273= 87+26= 58+58= 75+96= 29-248 96+73= 40-408 22+637= 69+43= 52-65= 89-39= 22-244 89-486 55-73= 87-66= 76-55= 79-408 52+89= 70-244 56-16= 13-123 68-62= 64-455 96+87= 20+328= 35
13、7+79= 37-93= 49+33= 287+70= 93-204 23-45= 58+66= 48-42= 459+67= 82-205 408+74= 168+99= 70-648 95+40= 68+78= 17+279= 366+55= 40-459 28+44= 70-183 56-248 96+67= 42+102= 53+88= 273+76= 273+52= 85-33= 91-44= 95-23= 10-183 32+546= 58-248 729+78= 63-546 49+50= 123-3= 22+279= 55+13= 63-63= 87-48= 61+82= 74
14、+78= 15) 83-38= 55+54= 10-497 75-497 90-62= 122+87= 29-18= 30-287 15-328 83+86= 16) 80+52= 62+31= 44-648 65-76= 17+729= 91-355 42-243 88-287 80-273 30-38= 68-305 87-82= 89-25= 93+67= 72-12= 72+94= 85+18= 75-87= 16+357= 62-153 32-243 77+26= 90+62= 84-54= 47-123 25+25= 61-567 49-92= 77-189 355+65= 41-
15、49= 26+306= 98+29= 84+94= 42-205 497+81= 30+204= 85+45= 84+39= 29-364 16+328= 27+21= 83-142 52-58= 162+80= 33-455 93+38= 83+53= 69+94= 37+20= 93+85= 34-155 53-43= 37-546 48-46= 11-728 66+34= 68-75= 95-96= 36+287= 13+427= 82-255 80-57= 46-369 28-546 75-405 25+364= 86+48= 59-14= 408-2= 96-168 54+82= 6
16、8-45= 32+405= 729-2= 79-83= 17) 81+44= 71-168 94+25= 77-47= 33+248= 48-182 71-55= 63+65= 96-39= 80-46= 18) 60-49= 86+16= 74-42= 36-255 78+87= 52-369 15-287 55-22= 54-459 637+65= 405-7= 98+33= 35-126 243+72= 62-122 31-92= 42+105= 66+38= 90-126 41+153= 32+427= 37+819= 86-488 68-164 97+55= 53-243 38+25
17、= 69+48= 81-45= 35-637 28-35= 455+58= 88-205 32-126 102+64= 83-59= 168+65= 98+59= 75-93= 59+42= 164+89= 26+273= 67+28= 50-36= 84-729 78-26= 89-69= 204+88= 88+57= 86+20= 15-183 67-19= 99-366 47+186= 23+23= 369+65= 819+96= 97-47= 28-279 65+56= 21+168= 60-549 87+46= 99-305 76+78= 15+728= 147+74= 27+15=
18、 306+63= 99-68= 57-92= 28-45= 76-42= 76-62= 21+568= 89+24= 19) 85+68= 37+18= 27+189= 95-31= 23-546 639-5= 36-279 72+29= 65-67= 53+53= 20) 84-68= 30-82= 29+20= 57+38= 43+122= 74+44= 82+47= 59-74= 60-142 16-427 328+99= 60-182 72-246 82-123 82-35= 243+53= 31+244= 88-45= 62+14= 459+52= 57-366 59-124 126
19、+86= 64+45= 80+43= 255+95= 50-95= 71-497 88-427 87-39= 66+98= 284-6= 89-205 89-306 142+75= 80+22= 183+86= 58-459 82-549 36+355= 35+426= 99+99= 35-53= 273+71= 96+63= 29-728 53-273 47-95= 69-568 94+55= 22-405 97-364 23+455= 88+95= 77+94= 30-306 50+567= 98+28= 41-36= 48+22= 33+38= 86-95= 67-455 123+60=
20、 73+28= 50-328 88-49= 244+95= 76+40= 486+99= 98-71= 18-126 486+78= 84+98= 37-45= 819+61= 21) 35+123= 29-279 67+26= 84+40= 94-99= 59-15= 52-355 243-5= 35+20= 72+37= 22) 52+36= 87-40= 64-217 48-72= 30-47= 74+38= 93+77= 124+75= 204+76= 56+78= 78+30= 61-59= 405-4= 306+65= 36+244= 29-213 86+40= 98+49= 68
21、+45= 14+488= 57+99= 87-43= 16-497 51+53= 67-41= 70+45= 86+36= 77-168 248+82= 78+43= 49-488 76-39= 88+29= 60-77= 97-51= 16+162= 65-27= 78+35= 25-43= 13+324= 95-168 819+83= 43-355 35-11= 83+36= 90-427 37-83= 84+42= 85-20= 43+14= 50+488= 36+405= 84+33= 94-305 486+96= 77-39= 162-6= 64-153 55+95= 68-23=
22、53+25= 65-355 35+23= 99-69= 34+49= 87-357 49-549 40-357 30+284= 51+95= 79-43= 67-153 58-34= 46-56= 23+244= 408+91= 77-46+32=65-38+26=79+19-56=56+74-26=58-36+27=84-27+16=4+27-16=93+23+94=69-(39-23)=99+（25-24）=77-76+32=61-38+26=79+19-16=16+77-26=58-36+27=87-27+16=30+(23-29)=99-46+32=59-36+29=73-(39-23
23、)=73-23-4=65-39+26=94-29+96=99-（25-24）=93-(39-23)=99+99-56=90-(23-29)=99-96+32=71-（25-24）=56+94-26=93-23+94=69-39+26=99+99-96=70-(23+29)=55-46+22=58-26+25=96+99-26=23+23+94=65-28+26=84-25+16=99-36+29=93-(39-23)=58+18-56=4+25-16=99-29+96=99-（99-29）=56+54-26=82+22+84=68-(28-22)=58+18-16=20+(22-28)=88-
24、46+22=88+（25-24）=16+55-26=52-22-4=65-28+26=59-56+22=68-26+25=82-(28-22)=88+88-56=61-28+26=85-25+16=51-（25-24）=56+84-26=58-26+28=22-(28-22)=88+88-86=80-(22+28)=84-28+86=88-（25-24）=86+88-26=22+22+84=20-(22-28)=88-86+22=88-26+28=82-(28-22)=82-22+84=68-28+26=88-28+86=88+（88-28）=77-26+32=38-36+27=69-(39-
25、23)=79+19-16=63-18+26=84-27+16=99-（53-24）=16+77-26=79+19-36=4+27-16=77-16+32=68-36+27=36+74-26=93+23+94=61-18+26=87-27+16=30+(23-19)=99-46+32=39-36+29=33-(39-23)=73-23-4=63-39+26=94-29+96=99-（23-24）=93-(39-23)=99+99-36=30-(23-21)=99-46+32=71-（23-24）=36+94-26=93-23+94=69-39+26=99+99-96=80-(23+29)=53-
26、46+22=38-26+23=96+99-26=23+23+94=63-28+26=84-23+16=99-36+29=93-(39-23)=38+18-36=4+23-16=99-29+16=99-（99-29）=36+34-26=82+22+84=88-46+22=58-26+28=68-28+26=78-76+27=65-28+26=84-28+16=88-26+28=84-27+26=88+88-56=20+(52-28)=88+88-86=4+27-26=56+84-26=82-22+84=86+88-26=88+（27-24）=97-76-2=58+26-28=78-58+26=58-36+37=92-45+26=84-68+26=68-26+18=84-57+26=18+28-26=60-(62-28)=18+88-36=14+47-36=76+24-26=72-12+34=16+48-26=28+（57-24）=
