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a fost răspuns

Calculati: a) (8,75-3,41)*10+10,3*4,2:0,3; b) 3,2*(4,8:0,6+1,34)*0,4+(4,115+5,743)*2.

Răspuns :

Abc112
[tex]a)(8.75 - 3.41) \times 10 + 10.3 \times 4.2 \div 0.3[/tex]

[tex] = 5.34 \times 10 + 43.26 \div 0.3[/tex]

[tex] = 53.4 + 144.2[/tex]

[tex] = 197.6[/tex]

[tex]b)3.2 \times (4.8 \div 0.6 + 1.34) \times 0.4 + (4.115 + 5.743) \times 2[/tex]

[tex] = 3.2 \times (8 + 1.34) \times 0.4 + 9858 \times 2[/tex]

[tex] = 3.2 \times 9.34 \times 0.4 + 19716[/tex]

[tex] = 29.888 \times 0.4 + 19716[/tex]

[tex] = 11.9552 + 19716[/tex]

[tex] = 19727.9552[/tex]

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