[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fLhD8wPkp_OT3x2mR6Rj3r507OGRKOmHa3Hrowe_lYJE":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2024-07-08 17:22:47",157789672,[8,9,10,11],"print(int('0B11111010', base=2))","print(int('11111010', base=2))","print(int('0b11111010', 2))","print(int('11111010', 2))",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},12,"df528c05b9a3437ad7e0a5f0e8e1605c","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ff9044873a020fec95d1de031e7f2960d.png","Python程序设计基础","08334bcd763e443d980263af8e749b4c","第2章作业","能够将二进制数 11111010 转为十进制整数的语句有",[21,32,35,45,54,63,72,81,90,100],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],157789671,[25,26,27,28],"print(int(3.14))","print(int(' '))","print(int('3'))","print(int('3.14'))","下面哪些数据可以用int()函数转为整数","v1",1,{"answer":33,"createTime":5,"id":6,"options":34,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":36,"createTime":37,"id":38,"options":39,"question":44,"source":30,"type":31},[],"2024-07-08 17:22:48",157789673,[40,41,42,43],"width = float(input()) length = float(input()) area = width*length print('{:.2f}'.format(area))","width = float(input()) length = float(input()) area = width*length print(f'{area:.2f}')","width = input() length = input() area = float(width)*float(length) print('{:.2f}'.format(area))","width = input() length = input() area = float(width*length) print('{:.2f}'.format(area))","用户分别在两行中各输入一个浮点数,表示矩形的长和宽,计算其面积并输出,结果四舍五入,保留2位小数.‪‬‪‬‪‬‪‬‪‬‮‬‪‬‭‬‪‬‪‬‪‬‪‬‪‬‮‬‪‬‪‬‪‬‪‬‪‬‪‬‪‬‮‬‫‬‪‬‪‬‪‬‪‬‪‬‪‬‮‬‪‬‪‬下面程序正确的有",{"answer":46,"createTime":37,"id":47,"options":48,"question":53,"source":30,"type":31},[],157789674,[49,50,51,52],"x = (-b + (b * b - 4 * a * c) ** 1 \u002F 2) \u002F 2 * a","x = (-b + (b * b - 4 * a * c) ** (1 \u002F 2)) \u002F 2 * a","x = (-b + (b * b - 4 * a * c) ** (1 \u002F 2)) \u002F (2 * a)","x = (-b + (b * b - 4 * a * c) ** 0.5) \u002F (2 * a)","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F85daee27870638fa1069e5e2b1c4e42d.png\"> 一元二次方程求根公式的Python表达式写法正确的是",{"answer":55,"createTime":37,"id":56,"options":57,"question":62,"source":30,"type":31},[],157789675,[58,59,60,61],"print(float('3.0'))","print(float(3))","print(float(' 3.0\\n'))","print(float('\\t 3.0\\n'))","下面可以输出浮点数3.0 的程序语句有",{"answer":64,"createTime":37,"id":65,"options":66,"question":71,"source":30,"type":31},[],157789676,[67,68,69,70],"radius = float(input()) area = 3.14 * radius ** 2 print(round(area, 2))","radius = float(input()) area = 3.14 * radius * radius print(round(area, 2))","radius = input() print(round(3.14 * radius ** 2, 2))","radius = float(input()) print(round(3.14 * radius * radius, 2))","输入一个表示半径的浮点数,计算圆的面积的程序正确的有: (圆周率取3.14,结果保留2位小数)",{"answer":73,"createTime":37,"id":74,"options":75,"question":80,"source":30,"type":31},[],157789677,[76,77,78,79],"x = int(input()) print(x ^ 2)","x = int(input()) print(x * 2)","x = int(input()) print(x ** 2)","x = int(input()) print(x * x)","输入一个整数,计算这个数的2次方并输出,正确的是",{"answer":82,"createTime":37,"id":83,"options":84,"question":89,"source":30,"type":31},[],157789678,[85,86,87,88],"import math radius = float(input()) area = math.pi * radius ** 2 print(round(area, 2))","import math radius = float(input()) area = pi * radius ** 2 print(round(area, 2))","from math import pi radius = float(input()) area = math.pi * radius ** 2 print(round(area, 2))","from math import pi radius = float(input()) area = pi * radius ** 2 print(round(area, 2))","输入一个表示半径的浮点数,计算圆的面积的程序正确的有: (圆周率取使用math库中的pi值,结果保留2位小数)",{"answer":91,"createTime":37,"id":92,"options":93,"question":98,"source":30,"type":99},[],157789679,[94,95,96,97],"import math a = float(input()) b = float(input()) x = (-b+math.sqrt(2 * a * math.sin(60)*math.cos(60)))\u002F(2 * a) print(x)","import math a = input() b = input() x = (-b+math.sqrt(2 * a * math.sin(60)*math.cos(60)))\u002F(2 * a) print(x)","import math a = float(input()) b = float(input()) x = (-b+math.sqrt(2 * a * math.sin(pi \u002F 3)*math.cos(pi \u002F 3)))\u002F(2 * a) print(x)","import math a = float(input()) b = float(input()) x = (-b+math.sqrt(2 * a * math.sin(math.pi \u002F 3)*math.cos(math.pi \u002F 3)))\u002F(2 * a) print(x)","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fad3dc35202471bf48505d2acfeb996a0.png\"> 根据上面公式计算并输出x的值,a和b的值由用户输入,括号里的数字是角度值, 要求圆周率的值使用数学常数math.pi,三角函数的值用math库中对应的函数进行计算 . 正确的程序代码为",0,{"answer":101,"createTime":37,"id":102,"options":103,"question":108,"source":30,"type":99},[],157789680,[104,105,106,107],"num * 4 == 0","num \u002F\u002F 4 == 0","num \u002F 4 == 0","num % 4 == 0","表示整数num能被4整除的表达式为"]