Question

.圆周率近似值3.14与一位数的积及与12,15,16,25几个常见数的积;

Answer 1

整数数列：1×3.14=3.142×3.14=6.283×3.14=9.424×3.14=12.565×3.14=15.76×3.14=18.847×3.14=21.988×3.14=25.129×3.14=28.2610×3.14=31.412×3.14=37.6815×3.14=47.116×3.14=50.2425×3.14=78.536×3.14=1...