The munber of diagonals that can drawn i a regular polygon with twenty sides is______

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• The munber of diagonals that can drawn i a regular polygon with twenty sides is______
• The munber of diagonals that can drawn i a regular polygon with twenty sides is______
• The number of diagonals that can be drawn in a regular polygon with21:00前要,如果有算式要列算式!+_+是The number of diagonals that can be drawn in a regular polygon withtwenty sides(icosagon) is___________.
• 英语翻译1、Did you know?In the decimal number system (base 10) ten different digits,0 to 9,are used to write all the numbers.In the binary number system (base 2) two different digits are used,i.e.0 and 1.Which one of the following numbers is not a valid number in theoctal number system (base 8)?A) 128 B) 127 C) 126 D) 125 E) 1243、The number of diagonals that can be drawn in a regular polygon withtwenty sides (icosagon) is_____.4、If a and b are integers,10Ä
• 英语翻译1、The number of diagonals that can be drawn in a regular polygon with twenty sides（icosagon）is ( )2、The greatest number of Mondays,which can occur in 45 consecutive days,is ( )3、You have 3 weights:1kg,3kg,9kg as well as an equal arm balance,as shown.How many different weight objects can you weigh with these three?4、The least natural number whose digits sum equals 100,is ( )
• I bought teh 75 dollar dress for one third off the regular price 帮我翻译一下
• You _ only half the price.How would the.You _ only half the price.How would the seller sell the jacket to you?A.spentB.paidC.chargedD.offered正确答案是B,选了A,A不可以咩