Podkreśl działanie, które trzeba wykonać jako pierwsze, i wykonaj obliczenia. a) 23 – 8 + 2 = c) 23 – (8 + 2) =
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b) 17 + 3 · 11 = d) 3 · 42
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Oblicz. Kolejne przekształcenie zapisuj w następnej linijce.
a) 5 + 20 : (15 – 5) = c) (80 – 6 · 5) : (4 · 6 – 14) =
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b) (7 + 13) · 5 + 28 : 4 = d) 15 : 5 + 45 : (17 – 8) =
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=potrzebuje na już! Dam najj!
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b) 17 + 3 · 11 = d) 3 · 42
=
= = = =
= = = =
= =
Oblicz. Kolejne przekształcenie zapisuj w następnej linijce.
a) 5 + 20 : (15 – 5) = c) (80 – 6 · 5) : (4 · 6 – 14) =
= = = =
= = = =
= =
b) (7 + 13) · 5 + 28 : 4 = d) 15 : 5 + 45 : (17 – 8) =
= = = =
= = = =
=potrzebuje na już! Dam najj!