100 + 300 = 400 + 400 = 700 + 200 = 500 + 500 = 300 + 300 =
800 - 200 = 700 - 300 = 1000-900 = 500-300 = 800 - 600 =
300 + 25 = 400 + 51 = 800 + 27 = 600 + 59 = 700 + 63 =
500y^/\Q9Z> /I SfcO
455
88
700 + 5 = 800 + 9 = 300 + 4 = 200 + 1 = 100 + 7 =
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po
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509 - 7 = 306 - 3 = 208 - 4 = 909-5 = 405 - 3 =
437 - 30 = 372- 2 = 899- 9 = 354-54 = 268 - 68 =
350+ 3 = 420+ 7 = 802 + 60 = 903 + 90 = 270 + 20 =
979 - 300 =
654 - 400 =
832 - 500 =
921 - 900 =
475 - 200 =
W. Śliwersi