Rekenen met kwadraten
Bereken.
1p
\(6^{2}\)
○
\(6^{2} = 36 \text{.}\)
1p
Bereken.
1p
\(-14^{2}\)
○
\(-14^{2} = -196 \text{.}\)
1p
Bereken.
1p
\(-2 ⋅ -3^{2}\)
○
\(-2 ⋅ -3^{2} = \text{}\)
\(-2 ⋅ -9 = 18\)
1p
Bereken.
1p
\((5 ⋅ 2)^{2}\)
○
\((5 ⋅ 2)^{2} = \text{}\)
\(10^{2} = 100\)
1p
Bereken.
2p
\(-3^{2} - 2 ⋅ 5^{2}\)
○
\(-3^{2} - 2 ⋅ 5^{2} = \text{}\)
\(-9 - 2 ⋅ 25 = \text{}\)
1p
○
\(-9 - 50 = -59\)
1p
Bereken.
1p
\(3^{2} - (4 - 5^{2})\)
○
\(3^{2} - (4 - 5^{2}) = \text{}\)
\(9 - (4 - 25) = \text{}\)
\(9 - (-21) = 30\)
1p
Bereken.
2p
\(4 + (5 - 8)^{2} : 3\)
○
\(4 + (5 - 8)^{2} : 3 = \text{}\)
\(4 + (-3)^{2} : 3 = \text{}\)
\(4 + 9 : 3 = \text{}\)
1p
○
\(4 + 3 = 7\)
1p
Bereken.
2p
\(-3^{2} : 9 - (8 - 6)^{2} ⋅ 2\)
○
\(-3^{2} : 9 - (8 - 6)^{2} ⋅ 2 = \text{}\)
\(-3^{2} : 9 - 2^{2} ⋅ 2 = \text{}\)
\(-9 : 9 - 4 ⋅ 2 = \text{}\)
1p
○
\(-1 - 8 = -9\)
1p