FR-00089Freedu material

E8 2026 (maj), zad. 3 – Liczby i działania

Primary SchoolEighth-grade examYear 8MathematicsNumbers and operations

Source: E8 2026 (maj), zad. 3

This resource is currently available in Polish only.

Dane są cztery liczby:

w=100−64−2x=12−64+36y=25−16−3z=7−9+16w = \sqrt{100 - 64} - 2 \qquad x = 12 - \sqrt{64 + 36} \qquad y = \sqrt{25 - 16} - 3 \qquad z = 7 - \sqrt{9 + 16}

Która z tych liczb jest równa 0?

A. ww B. xx C. yy D. zz

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