Question

(127+Х)-236=418
(492-а)-87=245
(y-246)+154=300
745-(b-358)=455
решите

Answer 1

1. 127+х=418+236
127+х=654
х=654-127
х=527
2. (492-а)=245+87
492-а=332
а=492-332
а=160
3. 745-(в-358)=455
в-358=745-455
в-358=290
в=358+290
в=648