Question

Qual valor da expressão (-1/2)²•(+3/2)-(+2/4)³:(-1/27)= e (0,1)²:(-2)+(1,5)•(-0,1)²

Answer 1

1/4×3/2-(+4/64):(-1/27)=
3/8-4/64:1/-1/27=
3/8-4/64×-27
3/8-1/16×-27
3/8+27/16
6+27/16
33/16

(1/10)²÷(-2)+15/10×(1/10)2
1/100÷-2+15/10×1/100
1/100×-½+15/10×1/100
-1/200+15/1000
-5+15=10/1000=1/100