Question

Resolva a expressão aritmética -0,1.[3-(-1,1).(-2,1)-1]+1,4.(3-0,9)

Answer 1

-0,1.[3-(-1,1).(-2,1)-1]+1,4.(3-0,9)=
-0,1.[3-(2,31)-1]+1,4.(2,1)=
-0,1.[3-2,31-1]+2,94=
-0,1.[0,69-1]+2,94=
-0,1.[-0,31]+2,94=
0,031+2,94=
2,971