April 2019 0 19 Report
2. Oblicz w pamięci:
a) 7 × (-9) =
b) (-8) × \frac{1}{2} =
c) (-10) × 1,4 =
d) (-\frac{1}{3} × (-6) =
e) (-12) ÷ 3 =
f) 8,2 ÷ (-2) =
g) 0,6 × (-9) =
h) (-8) × -\frac{1}{4} =
i) (-6) ÷ (-2) +

3. Korzystając z równości 432 × 153 = 66096, oblicz:
a) (-4,32) × (-15,3) =
b) 0,432 × (-1,53) =
c) (-6609,6) ÷ 153 =
d) (-4,32) × 1,53 =
e) (-0,153) ÷ (-432) =
f) 6609,6 ÷ (-43,2)
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