1、输入两个非零浮点数,在4 行中按顺序输出两个数的加、减、乘、除的计算式和计算结果。计算结果str.format()方法保留小数点后3 位数字。
时间: 2023-09-10 18:04:55 浏览: 126
### 回答1:
当然可以,以下是代码:
a = float(input())
b = float(input())
add = a + b
sub = a - b
mul = a * b
div = a / b
print("{:.3f} + {:.3f} = {:.3f}".format(a, b, add))
print("{:.3f} - {:.3f} = {:.3f}".format(a, b, sub))
print("{:.3f} * {:.3f} = {:.3f}".format(a, b, mul))
print("{:.3f} / {:.3f} = {:.3f}".format(a, b, div))
### 回答2:
首先,我们需要用户输入两个非零浮点数:
num1 = float(input("请输入第一个非零浮点数:"))
num2 = float(input("请输入第二个非零浮点数:"))
然后,我们可以通过四则运算计算加、减、乘、除的结果,并将结果保留到小数点后3位数字:
addition = num1 + num2
subtraction = num1 - num2
multiplication = num1 * num2
division = num1 / num2
最后,我们按照题目要求,在4行中按顺序输出计算式和计算结果:
print("加法计算式:{} + {} = {:.3f}".format(num1, num2, addition))
print("减法计算式:{} - {} = {:.3f}".format(num1, num2, subtraction))
print("乘法计算式:{} * {} = {:.3f}".format(num1, num2, multiplication))
print("除法计算式:{} / {} = {:.3f}".format(num1, num2, division))
这样,我们就能得到输入的两个非零浮点数的加、减、乘、除的计算式和计算结果。
### 回答3:
假设输入的两个非零浮点数分别为a和b。
加法计算式和计算结果:
addition_expression = "{:.3f} + {:.3f}".format(a, b)
addition_result = "{:.3f}".format(a + b)
减法计算式和计算结果:
subtraction_expression = "{:.3f} - {:.3f}".format(a, b)
subtraction_result = "{:.3f}".format(a - b)
乘法计算式和计算结果:
multiplication_expression = "{:.3f} × {:.3f}".format(a, b)
multiplication_result = "{:.3f}".format(a * b)
除法计算式和计算结果:
division_expression = "{:.3f} ÷ {:.3f}".format(a, b)
division_result = "{:.3f}".format(a / b)
最后按照顺序输出四行结果:
print(addition_expression + " = " + addition_result)
print(subtraction_expression + " = " + subtraction_result)
print(multiplication_expression + " = " + multiplication_result)
print(division_expression + " = " + division_result)
这样就可以得到两个非零浮点数进行加、减、乘、除的计算式和计算结果,并且保留小数点后3位数字。