Варіант 2. Номер 224
Розв’яжiть рiвняння:
1) x + 2,56 = 4;
x = 4 – 2,56;
x = 1,44.
2) 19,7 – x = 6,232;
x = 19,7 – 6,232;
x = 13,468.
3) x – 14,158 = 9,842;
x = 9,842 + 14,158;
x = 24.
4) (58 – x) – 41,3 = 6,287;
58 – x = 6,287 + 41,3;
58 – x = 47,587;
x = 58 – 47,587;
x = 10,413.