September 2019 0 12 Report
1.6. Wykonaj działania:
a) \: \frac{4 + 5}{3} - 2 \times \frac{8 - 5}{6} ,
b) \: \frac{3(15 - 7)}{4} - 4 \times \frac{5(18 - 8)}{2}
c) \: \frac{3 - 15}{4} + \frac{2 - 20}{6},
d) \: \frac{(8 - 36) \times 7}{4} - 5 \times \frac{3(65 - 15)}{10} .
1.7. Wykonaj działania:
a) \: 2101 \times (823 - 754) ,
b) \: 321 \times (1034 - 925),
c) \: (4325 - 2879) \times ( - 39) ,
d) \: (18131 - 21534) \times ( - 81),
e) \: (10523 - 83472) \times ( - 59) ,
f) \: - 89 \times (39002 - 86329).

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