²
a=6+8 ×[32:4 -5×(4^3-7×3^2)]
a=6+8[8-5(64-63)]
a=6+8(8-5*1)
a=6+8*3
a=6+24
a=30
b=15×2+(256:16+4):5+2121:21
b=30+(16+4):5+101
b=30+20:5+101
b=30+4+101
b=135
Numerele Nat cuprinse intre 30 si 135 sunt: {31,32,33,34,35,36.........130,131,132,133,134}
Sper ca te-am ajutat :)