Question

a= 6+8 x [ 32 : 4 - 5 x (4 la a 3 - 7 x 3 la a doua
b= 15 x 2 + ( 256 : 16 + 4 ) :5 + 2121 : 21

Answer 1

a) 6+8*(32:4-5*4³-7*3²)=6+8*(8-5*64-7*9)=6+8*(8-320-63)=6+8*(-375)=6-3000=-2994

b) 15*2+(256:16+4):5+2121:21=30+(16+4):5+101=30+20:5+101=30+4-101=135