Efectuați operaţiile:
a) 100-(75 +0,86 +19,34); b) 1000-(0,72 + +81–3.968);
c) 300-(6,56 -3,568 +193); d) 200-(43 +0,56–3,863);
e) 56,31 – 24, 246-(3,87 +1,03); ) 61,35 – 49,561-(2,69 +4,01);
g) 81,37 – 32,683-(4,44 – 3,56); h) 73,42 - 54,637 - (9,66–4.04).​


Răspuns :

Răspuns:

Sper ca te-am ajutat XOXO

Explicație pas cu pas:

A)

[tex]100 - (75 + 0.86 + 19.34)[/tex]

[tex]100 - (75.86 + 19.34)[/tex]

[tex]100 - 95.2[/tex]

[tex]4.8[/tex]

B)

[tex]1000 - (0.72 + 81 - 3.968)[/tex]

[tex]1000 - (81.72 - 3.968)[/tex]

[tex]1000 - 77.752 [/tex]

[tex]922.248[/tex]

C)

[tex]300 - (6.56 - 3.568 + 193)[/tex]

[tex]300 - (2.992 + 193)[/tex]

[tex]300 - 195.922[/tex]

[tex]104.008[/tex]

D)

[tex]200 - (43 + 0.56 - 3.863)[/tex]

[tex]200 - (43.56 - 3.863)[/tex]

[tex]200 - 39.697[/tex]

[tex]160.303[/tex]

E)

[tex]56.31 - 24.246 - (3.87 + 1.03)[/tex]

[tex]32.064 - (3.87 + 1.03)[/tex]

[tex]32.064 - 4.9[/tex]

[tex]27.164[/tex]

F)

[tex]61.35 - 49.561 - (2.69 + 4.01)[/tex]

[tex]11.789 - (2.69 + 4.01)[/tex]

[tex]11.789 - 6.7[/tex]

[tex]5.089[/tex]

G)

[tex]81.37 - 32.683 - (4.44 - 3.56)[/tex]

[tex]48.687 - (4.44 - 3.56)[/tex]

[tex]48.687 - 0.88[/tex]

[tex]47.807[/tex]

H)

[tex]73.42 - 54.637 - (9.66 - 4.04)[/tex]

[tex]18.783 - (9.66 - 4.04)[/tex]

[tex]18.783 - 5.62[/tex]

[tex]13.163[/tex]