Contact us
Choose a category below so we can get back to you as quickly as possible.
(1.29+1.37+1.45+.+1.85)/(1.47+2*0.84)≈() 此題有規律 觀察發現,1.29+1.37+1.45+.+1.85 每兩個數之間相差0.08且首末相加的數可以凑對 高斯的從1+2+3.加都一百 差不多,公式:首末兩數相加,乘以項數 除以2 就OK
We and our partners use cookies and other technologies to analyze traffic and optimize your experience. View more info and control your cookies settings at any time in our Cookies Policy.