1⼀f=1⼀14.19+1⼀35.4

1/f=1/14.19+1/35.4
2025-02-11 09:32:33
推荐回答(1个)
回答1:

1/f=1/14.19+1/35.4
1/f≈0.07047+0.02825
1/f≈0.09872
f≈1÷0.09872
f≈10.13