Знайдіть значення виразу:
1) 43+(-60)+12+39+(-21)=
2) -1,23+2,14+7,38+(-5,77)+1,62=
[tex]3) - \frac{3}{7} + \frac{14}{19} + ( - \frac{4}{7} ) + 3 \times \frac{5}{19} = [/tex]
1) 43+(-60)+12+39+(-21)=
2) -1,23+2,14+7,38+(-5,77)+1,62=
[tex]3) - \frac{3}{7} + \frac{14}{19} + ( - \frac{4}{7} ) + 3 \times \frac{5}{19} = [/tex]
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[tex]43 + ( - 60) + 12 + 39 + ( - 21) = \\ 94 - 60 - 21 = 94 - 81 = 13[/tex]
[tex] - 1.23 + 2.14 + 7.38 + ( - 5.77) + 1.62 = \\ 11.14 - 1.23 - 5.77 = 11.14 - 7 = 4.14[/tex]
[tex] - \frac{3}{7} + \frac{14}{19} + ( - \frac{4}{7} ) + 3 \times \frac{5}{19} = \\ - \frac{3}{7} - \frac{4}{7} + \frac{14}{19} + \frac{15}{19} = - 1 + \frac{29}{19} = \\ - 1 + 1 \frac{10}{19} = \frac{10}{19} [/tex]