(7 + ☐) : 8 = 2
(19 + ☐) : 9 = 3
(☐☐ − 4) : 7 = 8
(42 − ☐☐) * 5 = 30
54 : (☐☐ − 7) = 9
(☐☐ − 30) * 6 = 54
(7 + 9) : 8 = 2
(19 + 8) : 9 = 3
(60 − 4) : 7 = 8
(42 − 36) * 5 = 30
54 : (13 − 7) = 9
(39 − 30) * 6 = 54
Вычисления
(7 + ☐) : 8 = 2
7 + ☐ = 2 * 8
7 + ☐ = 16
☐ = 16 − 7
☐ = 9
(19 + ☐) : 9 = 3
19 + ☐ = 3 * 9
19 + ☐ = 27
☐ = 27 − 19
☐ = 8
(☐☐ − 4) : 7 = 8
☐☐ − 4 = 8 * 7
☐☐ − 4 = 56
☐☐ = 56 + 4
☐☐ = 60
(42 − ☐☐) * 5 = 30
42 − ☐☐ = 30 : 5
42 − ☐☐ = 6
☐☐ = 42 − 6
☐☐ = 36
54 : (☐☐ − 7) = 9
☐☐ − 7 = 54 : 9
☐☐ − 7 = 6
☐☐ = 6 + 7
☐☐ = 13
(☐☐ − 30) * 6 = 54
☐☐ − 30 = 54 : 6
☐☐ − 30 = 9
☐☐ = 9 + 30
☐☐ = 39
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