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МатематикаГДЗ по математике 5 класс Мерзляк Задание 1128
Задание 1128
\[\boxed{\mathbf{1128\ (1128)}.\ Еуроки\ - \ ДЗ\ без\ мороки}\]
\[1)\ 3\frac{7}{24} + x = 5\]
\[x = 5 - 3\frac{7}{24}\]
\[x = 4\frac{24}{24} - 3\frac{7}{24}\]
\[x = 1\frac{17}{24}\]
\[Ответ:1\frac{17}{24}.\]
\[2)\ x + 0,52 = 1\]
\[x = 1 - 0,52\]
\[x = 0,48\]
\[Ответ:0,48.\]
\[3)\ y - 5\frac{3}{7} = 1\frac{6}{7}\]
\[y = 1\frac{6}{7} + 5\frac{3}{7}\]
\[y = 6\frac{9}{7}\]
\[y = 7\frac{2}{7}\]
\[Ответ:7\frac{2}{7}.\]
\[4)\ y - 4,25 = 3,75\]
\[y = 3,75 + 4,25\]
\[y = 8\]
\[Ответ:8.\]
\[5)\ 8\frac{4}{9} - m = 3\frac{7}{9}\]
\[m = 8\frac{4}{9} - 3\frac{7}{9}\]
\[m = 7\frac{13}{9} - 3\frac{7}{9}\]
\[m = 4\frac{6}{9}\]
\[Ответ:4\frac{6}{9}.\]
\[6)\ 2 - x = 1,376\]
\[x = 2 - 1,376\]
\[x = 0,624\]
\[Ответ:0,624.\]
\[7)\ (234 + x) - 456 = 178\]
\[234 + x = 178 + 456\]
\[234 + x = 634\]
\[x = 634 - 234\]
\[x = 400\]
\[Ответ:400.\]
\[8)\ (x + 13,216) - 24,83 = 5,17\]
\(x + 13,216 = 5,17 + 24,83\)
\[x + 13,216 = 30\]
\[x = 30 - 13,216\]
\[x = 16,784\]
\[Ответ:16,784.\]
\[9)\ (x - 4,83) + 0,16 = 3,02\]
\[x - 4,83 = 3,02 - 0,16\]
\[x - 4,83 = 2,86\]
\[x = 2,86 + 4,83\]
\[x = 7,69\]
\[Ответ:7,69.\]
\[10)\ \left( x - 1\frac{8}{23} \right) + 3\frac{19}{23} = 5\frac{12}{23}\]
\[x - 1\frac{8}{23} = 5\frac{12}{23} - 3\frac{19}{23}\]
\[x = 4\frac{35}{23} - 3\frac{19}{23} + 1\frac{8}{23}\]
\[x = 2\frac{35 - 19 + 8}{23}\]
\[x = 2\frac{24}{23} = 3\frac{1}{23}\]
\[Ответ:3\frac{1}{23}.\]
\[11)\ (8164 - x) - 2398 = 2557\]
\[8164 - x = 2557 + 2398\]
\[8164 - x = 4955\]
\[x = 8164 - 4955\]
\[x = 3209\]
\[Ответ:3209.\]
\[12)\ (20 - a) - 6\frac{7}{18} = 3\frac{17}{18}\]
\[20 - a = 3\frac{17}{18} + 6\frac{7}{18}\]
\[20 - a = 9\frac{24}{18} = 10\frac{6}{18}\]
\[a = 20 - 10\frac{1}{3}\]
\[a = 9\frac{2}{3}\]
\[Ответ:9\frac{2}{3}.\]
\[13)\ 0,8 - (x - 0,326) = 0,495\]
\[x - 0,326 = 0,8 - 0,495\]
\[x - 0,326 = 0,305\]
\[x = 0,305 + 0,326\]
\[x = 0,631\]
\[Ответ:0,631.\]
\[14)\ 1,2 - \left( x - \frac{1}{4} \right) = \frac{1}{2}\]
\[x - 0,25 = 1,2 - 0,5\]
\[x = 0,7 + 0,25\]
\[x = 0,95\]
\[Ответ:0,95.\]
\[15)\ 7000 - (5210 - x) = 4569\]
\[5210 - x = 7000 - 4569\]
\[x = 5210 - 2431\]
\[x = 2779\]
\[Ответ:2779.\]
\(16)\ 5,2 - (6 - y) = 3,258\)
\[6 - y = 5,2 - 3,258\]
\[y = 6 - 1,942\]
\[y = 4,058\]
\[Ответ:4,058.\]
\(17)\ 80 - (x + 4,097) = 18,36\)
\[x + 4,097 = 80 - 18,36\]
\[x = 61,64 - 4,097\]
\[x = 57,543\]
\[Ответ:57,543.\]
\[18)\ 12 - \left( x + 4\frac{7}{15} \right) = 5\frac{13}{15}\]
\[x + 4\frac{7}{15} = 12 - 5\frac{13}{15}\]
\[x = 10\frac{30}{15} - 5\frac{13}{15} - 4\frac{7}{15}\]
\[x = 1\frac{30 - 13 - 7}{15} = 1\frac{10}{15}\]
\[x = 1\frac{2}{3}\]
\[Ответ:1\frac{2}{3}.\]
