Vợ Chồng A Phủ - 20

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Arthur Wynne's first crossword puzzle was initially called word-cross and was diamond-shaped. The name (1) _____later________ switched to cross-word, and then as a result of an accidental typo the hyphen was dropped, and the name became (2)crossword

          A crossword puzzle is very similar, except (6) ____instead_________ of being given the words the player is given clues.

          Arthur Wynne added other innovations to the crossword puzzle. While the first puzzle was diamond-shaped, he later invented (7) ________horizontal_____and vertical shaped puzzles; and Wynne (8)________invented_____ the use of adding blank black squares to a crossword puzzle.

          The crossword puzzle in a British publication (9)_______was______published in Pearson's Magazine in February 1922. The (10) ______first _______New York Times crossword was published on February 1, 1930.

 a mình viêt nhầm

a. \(R_{tđ_{AB}}=R_1+\dfrac{R_2+R_3}{R_2R_3}=4+\dfrac{10.15}{10+15}=4+6=10\left(\Omega\right)\)

b. \(R_{CB}=\dfrac{10.15}{10+15}=6\left(\Omega\right)\)

\(I_1=\dfrac{U_{CB}}{R_{CB}}=\dfrac{5,4}{6}=0,9\left(A\right)\)

Vì Ampe kế mắc nối tiếp với R₁ nên \(I_a=I_1=0,9\left(A\right)\)

Chỉ số của Ampe kế là 0,9 A

\(I_2=\dfrac{U_{CB}}{R_2}=\dfrac{5,4}{10}=0,54\left(A\right);I_3=\dfrac{U_{CB}}{R_3}=\dfrac{5,4}{15}=0,36\left(A\right)\)

minhf lỡ t ay

 ______ he had enough money, he refused to buy a new car. 

A. In spite

B. In spite of

C. Despite

D. Although