1,4+10+25+4-10+25 7,2-3×(5+2)2,(5+26)×(49-206)×5-26 8, 3-5+3+53,28-1218-48-5+2730+162 9, 12+2+3+12-6-424,2-32+3+2+32-3 10, 6+422+6+42+6-422-6-425,3-5×(3+5)10+2 11,(5+2)2-8525-46,83-22512+4192 12, 14-83-24-12313.43+1+13-2+63-3 14,(2+1)3-(2-1)315,31-3+1+31+3+1Mình mới đến mn giúp mik vs ạCảm ơn nhiều:)
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