ដោះស្រាយ 123-173+59-92+189-249+145-183+227-59+103-231+168-47+39-126+215-268+132-27+183-77+192-116+29-159+73-241+196-155+172-142+194-187+47-116+148-232+219-141+192-98+67-19+135-193+52-91+251-216+137-83+39-168+121-74+237-121+173-128+191-246+267-168+139-59+97-123+156

$$123-173+59-92+189-249+145-183+227-59+103-231+168-47+39-126+215-268+132-27+183-77+192-116+29-159+73-241+196-155+172-142+194-187+47-116+148-232+219-141+192-98+67-19+135-193+52-91+251-216+137-83+39-168+121-74+237-121+173-128+191-246+267-168+139-59+97-123+156$$

វាយតម្លៃ

$$299$$

ជំហានចម្លើយ

ដក​ 173 ពី 123 ដើម្បីបាន -50។

$$-50+59-92+189-249+145-183+227-59+103-231+168-47+39-126+215-268+132-27+183-77+192-116+29-159+73-241+196-155+172-142+194-187+47-116+148-232+219-141+192-98+67-19+135-193+52-91+251-216+137-83+39-168+121-74+237-121+173-128+191-246+267-168+139-59+97-123+156$$

បូក -50 និង 59 ដើម្បីបាន 9។

$$9-92+189-249+145-183+227-59+103-231+168-47+39-126+215-268+132-27+183-77+192-116+29-159+73-241+196-155+172-142+194-187+47-116+148-232+219-141+192-98+67-19+135-193+52-91+251-216+137-83+39-168+121-74+237-121+173-128+191-246+267-168+139-59+97-123+156$$

ដក​ 92 ពី 9 ដើម្បីបាន -83។

$$-83+189-249+145-183+227-59+103-231+168-47+39-126+215-268+132-27+183-77+192-116+29-159+73-241+196-155+172-142+194-187+47-116+148-232+219-141+192-98+67-19+135-193+52-91+251-216+137-83+39-168+121-74+237-121+173-128+191-246+267-168+139-59+97-123+156$$

បូក -83 និង 189 ដើម្បីបាន 106។

$$106-249+145-183+227-59+103-231+168-47+39-126+215-268+132-27+183-77+192-116+29-159+73-241+196-155+172-142+194-187+47-116+148-232+219-141+192-98+67-19+135-193+52-91+251-216+137-83+39-168+121-74+237-121+173-128+191-246+267-168+139-59+97-123+156$$

ដក​ 249 ពី 106 ដើម្បីបាន -143។

$$-143+145-183+227-59+103-231+168-47+39-126+215-268+132-27+183-77+192-116+29-159+73-241+196-155+172-142+194-187+47-116+148-232+219-141+192-98+67-19+135-193+52-91+251-216+137-83+39-168+121-74+237-121+173-128+191-246+267-168+139-59+97-123+156$$

បូក -143 និង 145 ដើម្បីបាន 2។

$$2-183+227-59+103-231+168-47+39-126+215-268+132-27+183-77+192-116+29-159+73-241+196-155+172-142+194-187+47-116+148-232+219-141+192-98+67-19+135-193+52-91+251-216+137-83+39-168+121-74+237-121+173-128+191-246+267-168+139-59+97-123+156$$

ដក​ 183 ពី 2 ដើម្បីបាន -181។

$$-181+227-59+103-231+168-47+39-126+215-268+132-27+183-77+192-116+29-159+73-241+196-155+172-142+194-187+47-116+148-232+219-141+192-98+67-19+135-193+52-91+251-216+137-83+39-168+121-74+237-121+173-128+191-246+267-168+139-59+97-123+156$$

បូក -181 និង 227 ដើម្បីបាន 46។

$$46-59+103-231+168-47+39-126+215-268+132-27+183-77+192-116+29-159+73-241+196-155+172-142+194-187+47-116+148-232+219-141+192-98+67-19+135-193+52-91+251-216+137-83+39-168+121-74+237-121+173-128+191-246+267-168+139-59+97-123+156$$

ដក​ 59 ពី 46 ដើម្បីបាន -13។

$$-13+103-231+168-47+39-126+215-268+132-27+183-77+192-116+29-159+73-241+196-155+172-142+194-187+47-116+148-232+219-141+192-98+67-19+135-193+52-91+251-216+137-83+39-168+121-74+237-121+173-128+191-246+267-168+139-59+97-123+156$$

បូក -13 និង 103 ដើម្បីបាន 90។

$$90-231+168-47+39-126+215-268+132-27+183-77+192-116+29-159+73-241+196-155+172-142+194-187+47-116+148-232+219-141+192-98+67-19+135-193+52-91+251-216+137-83+39-168+121-74+237-121+173-128+191-246+267-168+139-59+97-123+156$$

ដក​ 231 ពី 90 ដើម្បីបាន -141។

$$-141+168-47+39-126+215-268+132-27+183-77+192-116+29-159+73-241+196-155+172-142+194-187+47-116+148-232+219-141+192-98+67-19+135-193+52-91+251-216+137-83+39-168+121-74+237-121+173-128+191-246+267-168+139-59+97-123+156$$

បូក -141 និង 168 ដើម្បីបាន 27។

$$27-47+39-126+215-268+132-27+183-77+192-116+29-159+73-241+196-155+172-142+194-187+47-116+148-232+219-141+192-98+67-19+135-193+52-91+251-216+137-83+39-168+121-74+237-121+173-128+191-246+267-168+139-59+97-123+156$$

ដក​ 47 ពី 27 ដើម្បីបាន -20។

$$-20+39-126+215-268+132-27+183-77+192-116+29-159+73-241+196-155+172-142+194-187+47-116+148-232+219-141+192-98+67-19+135-193+52-91+251-216+137-83+39-168+121-74+237-121+173-128+191-246+267-168+139-59+97-123+156$$

បូក -20 និង 39 ដើម្បីបាន 19។

$$19-126+215-268+132-27+183-77+192-116+29-159+73-241+196-155+172-142+194-187+47-116+148-232+219-141+192-98+67-19+135-193+52-91+251-216+137-83+39-168+121-74+237-121+173-128+191-246+267-168+139-59+97-123+156$$

ដក​ 126 ពី 19 ដើម្បីបាន -107។

$$-107+215-268+132-27+183-77+192-116+29-159+73-241+196-155+172-142+194-187+47-116+148-232+219-141+192-98+67-19+135-193+52-91+251-216+137-83+39-168+121-74+237-121+173-128+191-246+267-168+139-59+97-123+156$$

បូក -107 និង 215 ដើម្បីបាន 108។

$$108-268+132-27+183-77+192-116+29-159+73-241+196-155+172-142+194-187+47-116+148-232+219-141+192-98+67-19+135-193+52-91+251-216+137-83+39-168+121-74+237-121+173-128+191-246+267-168+139-59+97-123+156$$

ដក​ 268 ពី 108 ដើម្បីបាន -160។

$$-160+132-27+183-77+192-116+29-159+73-241+196-155+172-142+194-187+47-116+148-232+219-141+192-98+67-19+135-193+52-91+251-216+137-83+39-168+121-74+237-121+173-128+191-246+267-168+139-59+97-123+156$$

បូក -160 និង 132 ដើម្បីបាន -28។

$$-28-27+183-77+192-116+29-159+73-241+196-155+172-142+194-187+47-116+148-232+219-141+192-98+67-19+135-193+52-91+251-216+137-83+39-168+121-74+237-121+173-128+191-246+267-168+139-59+97-123+156$$

ដក​ 27 ពី -28 ដើម្បីបាន -55។

$$-55+183-77+192-116+29-159+73-241+196-155+172-142+194-187+47-116+148-232+219-141+192-98+67-19+135-193+52-91+251-216+137-83+39-168+121-74+237-121+173-128+191-246+267-168+139-59+97-123+156$$

បូក -55 និង 183 ដើម្បីបាន 128។

$$128-77+192-116+29-159+73-241+196-155+172-142+194-187+47-116+148-232+219-141+192-98+67-19+135-193+52-91+251-216+137-83+39-168+121-74+237-121+173-128+191-246+267-168+139-59+97-123+156$$

ដក​ 77 ពី 128 ដើម្បីបាន 51។

$$51+192-116+29-159+73-241+196-155+172-142+194-187+47-116+148-232+219-141+192-98+67-19+135-193+52-91+251-216+137-83+39-168+121-74+237-121+173-128+191-246+267-168+139-59+97-123+156$$

បូក 51 និង 192 ដើម្បីបាន 243។

$$243-116+29-159+73-241+196-155+172-142+194-187+47-116+148-232+219-141+192-98+67-19+135-193+52-91+251-216+137-83+39-168+121-74+237-121+173-128+191-246+267-168+139-59+97-123+156$$

ដក​ 116 ពី 243 ដើម្បីបាន 127។

$$127+29-159+73-241+196-155+172-142+194-187+47-116+148-232+219-141+192-98+67-19+135-193+52-91+251-216+137-83+39-168+121-74+237-121+173-128+191-246+267-168+139-59+97-123+156$$

បូក 127 និង 29 ដើម្បីបាន 156។

$$156-159+73-241+196-155+172-142+194-187+47-116+148-232+219-141+192-98+67-19+135-193+52-91+251-216+137-83+39-168+121-74+237-121+173-128+191-246+267-168+139-59+97-123+156$$

ដក​ 159 ពី 156 ដើម្បីបាន -3។

$$-3+73-241+196-155+172-142+194-187+47-116+148-232+219-141+192-98+67-19+135-193+52-91+251-216+137-83+39-168+121-74+237-121+173-128+191-246+267-168+139-59+97-123+156$$

បូក -3 និង 73 ដើម្បីបាន 70។

$$70-241+196-155+172-142+194-187+47-116+148-232+219-141+192-98+67-19+135-193+52-91+251-216+137-83+39-168+121-74+237-121+173-128+191-246+267-168+139-59+97-123+156$$

ដក​ 241 ពី 70 ដើម្បីបាន -171។

$$-171+196-155+172-142+194-187+47-116+148-232+219-141+192-98+67-19+135-193+52-91+251-216+137-83+39-168+121-74+237-121+173-128+191-246+267-168+139-59+97-123+156$$

បូក -171 និង 196 ដើម្បីបាន 25។

$$25-155+172-142+194-187+47-116+148-232+219-141+192-98+67-19+135-193+52-91+251-216+137-83+39-168+121-74+237-121+173-128+191-246+267-168+139-59+97-123+156$$

ដក​ 155 ពី 25 ដើម្បីបាន -130។

$$-130+172-142+194-187+47-116+148-232+219-141+192-98+67-19+135-193+52-91+251-216+137-83+39-168+121-74+237-121+173-128+191-246+267-168+139-59+97-123+156$$

បូក -130 និង 172 ដើម្បីបាន 42។

$$42-142+194-187+47-116+148-232+219-141+192-98+67-19+135-193+52-91+251-216+137-83+39-168+121-74+237-121+173-128+191-246+267-168+139-59+97-123+156$$

ដក​ 142 ពី 42 ដើម្បីបាន -100។

$$-100+194-187+47-116+148-232+219-141+192-98+67-19+135-193+52-91+251-216+137-83+39-168+121-74+237-121+173-128+191-246+267-168+139-59+97-123+156$$

បូក -100 និង 194 ដើម្បីបាន 94។

$$94-187+47-116+148-232+219-141+192-98+67-19+135-193+52-91+251-216+137-83+39-168+121-74+237-121+173-128+191-246+267-168+139-59+97-123+156$$

ដក​ 187 ពី 94 ដើម្បីបាន -93។

$$-93+47-116+148-232+219-141+192-98+67-19+135-193+52-91+251-216+137-83+39-168+121-74+237-121+173-128+191-246+267-168+139-59+97-123+156$$

បូក -93 និង 47 ដើម្បីបាន -46។

$$-46-116+148-232+219-141+192-98+67-19+135-193+52-91+251-216+137-83+39-168+121-74+237-121+173-128+191-246+267-168+139-59+97-123+156$$

ដក​ 116 ពី -46 ដើម្បីបាន -162។

$$-162+148-232+219-141+192-98+67-19+135-193+52-91+251-216+137-83+39-168+121-74+237-121+173-128+191-246+267-168+139-59+97-123+156$$

បូក -162 និង 148 ដើម្បីបាន -14។

$$-14-232+219-141+192-98+67-19+135-193+52-91+251-216+137-83+39-168+121-74+237-121+173-128+191-246+267-168+139-59+97-123+156$$

ដក​ 232 ពី -14 ដើម្បីបាន -246។

$$-246+219-141+192-98+67-19+135-193+52-91+251-216+137-83+39-168+121-74+237-121+173-128+191-246+267-168+139-59+97-123+156$$

បូក -246 និង 219 ដើម្បីបាន -27។

$$-27-141+192-98+67-19+135-193+52-91+251-216+137-83+39-168+121-74+237-121+173-128+191-246+267-168+139-59+97-123+156$$

ដក​ 141 ពី -27 ដើម្បីបាន -168។

$$-168+192-98+67-19+135-193+52-91+251-216+137-83+39-168+121-74+237-121+173-128+191-246+267-168+139-59+97-123+156$$

បូក -168 និង 192 ដើម្បីបាន 24។

$$24-98+67-19+135-193+52-91+251-216+137-83+39-168+121-74+237-121+173-128+191-246+267-168+139-59+97-123+156$$

ដក​ 98 ពី 24 ដើម្បីបាន -74។

$$-74+67-19+135-193+52-91+251-216+137-83+39-168+121-74+237-121+173-128+191-246+267-168+139-59+97-123+156$$

បូក -74 និង 67 ដើម្បីបាន -7។

$$-7-19+135-193+52-91+251-216+137-83+39-168+121-74+237-121+173-128+191-246+267-168+139-59+97-123+156$$

ដក​ 19 ពី -7 ដើម្បីបាន -26។

$$-26+135-193+52-91+251-216+137-83+39-168+121-74+237-121+173-128+191-246+267-168+139-59+97-123+156$$

បូក -26 និង 135 ដើម្បីបាន 109។

$$109-193+52-91+251-216+137-83+39-168+121-74+237-121+173-128+191-246+267-168+139-59+97-123+156$$

ដក​ 193 ពី 109 ដើម្បីបាន -84។

$$-84+52-91+251-216+137-83+39-168+121-74+237-121+173-128+191-246+267-168+139-59+97-123+156$$

បូក -84 និង 52 ដើម្បីបាន -32។

$$-32-91+251-216+137-83+39-168+121-74+237-121+173-128+191-246+267-168+139-59+97-123+156$$

ដក​ 91 ពី -32 ដើម្បីបាន -123។

$$-123+251-216+137-83+39-168+121-74+237-121+173-128+191-246+267-168+139-59+97-123+156$$

បូក -123 និង 251 ដើម្បីបាន 128។

$$128-216+137-83+39-168+121-74+237-121+173-128+191-246+267-168+139-59+97-123+156$$

ដក​ 216 ពី 128 ដើម្បីបាន -88។

$$-88+137-83+39-168+121-74+237-121+173-128+191-246+267-168+139-59+97-123+156$$

បូក -88 និង 137 ដើម្បីបាន 49។

$$49-83+39-168+121-74+237-121+173-128+191-246+267-168+139-59+97-123+156$$

ដក​ 83 ពី 49 ដើម្បីបាន -34។

$$-34+39-168+121-74+237-121+173-128+191-246+267-168+139-59+97-123+156$$

បូក -34 និង 39 ដើម្បីបាន 5។

$$5-168+121-74+237-121+173-128+191-246+267-168+139-59+97-123+156$$

ដក​ 168 ពី 5 ដើម្បីបាន -163។

$$-163+121-74+237-121+173-128+191-246+267-168+139-59+97-123+156$$

បូក -163 និង 121 ដើម្បីបាន -42។

$$-42-74+237-121+173-128+191-246+267-168+139-59+97-123+156$$

ដក​ 74 ពី -42 ដើម្បីបាន -116។

$$-116+237-121+173-128+191-246+267-168+139-59+97-123+156$$

បូក -116 និង 237 ដើម្បីបាន 121។

$$121-121+173-128+191-246+267-168+139-59+97-123+156$$

ដក​ 121 ពី 121 ដើម្បីបាន 0។

$$173-128+191-246+267-168+139-59+97-123+156$$

ដក​ 128 ពី 173 ដើម្បីបាន 45។

$$45+191-246+267-168+139-59+97-123+156$$

បូក 45 និង 191 ដើម្បីបាន 236។

$$236-246+267-168+139-59+97-123+156$$

ដក​ 246 ពី 236 ដើម្បីបាន -10។

$$-10+267-168+139-59+97-123+156$$

បូក -10 និង 267 ដើម្បីបាន 257។

$$257-168+139-59+97-123+156$$

ដក​ 168 ពី 257 ដើម្បីបាន 89។

$$89+139-59+97-123+156$$

បូក 89 និង 139 ដើម្បីបាន 228។

$$228-59+97-123+156$$

ដក​ 59 ពី 228 ដើម្បីបាន 169។

$$169+97-123+156$$

បូក 169 និង 97 ដើម្បីបាន 266។

$$266-123+156$$

ដក​ 123 ពី 266 ដើម្បីបាន 143។

$$143+156$$

បូក 143 និង 156 ដើម្បីបាន 299។

$$299$$

ដាក់ជាកត្តា

$$13\times 23$$