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4.2 x 4.2 - 1.9 x 1.9_x000D_ is equal to:_x000...
1.
4.2 x 4.2 - 1.9 x 1.9_x000D_ is equal to:_x000D_ _x000D_ _x000D_ 2.3 x 6.1
A.
0.5
B.
1
C.
20
D.
22
Answer» C. 20
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