Odpowiedź:
a)21-20=1
b)6×9=54
c)60+4=64
d)15+4×2=15+8=23
Obliczenia
3 · 7 - 4 · 5 = 21 - 20 = 1
6 · (2 + 7) = 6 · 9 = 54
10 · 6 + 12 : 3 = 60 + 4 = 64
15 + 16 : 4 · 2 = 15 + 4 · 2 = 15 + 8 = 23
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Odpowiedź:
a)21-20=1
b)6×9=54
c)60+4=64
d)15+4×2=15+8=23
Obliczenia
3 · 7 - 4 · 5 = 21 - 20 = 1
6 · (2 + 7) = 6 · 9 = 54
10 · 6 + 12 : 3 = 60 + 4 = 64
15 + 16 : 4 · 2 = 15 + 4 · 2 = 15 + 8 = 23