解一道数学计算题（二元二次方程组）22.2t+22.2t^2/2a=5613.3t+13.3t^2/2a=24求a与t的值
2019-05-28
解一道数学计算题（二元二次方程组）
22.2t+22.2t^2/2a=56
13.3t+13.3t^2/2a=24
求a与t的值
优质解答
22.2t+22.2t^2/2a=56 1
13.3t+13.3t^2/2a=24 2
1-2:
8.9t+8.9t^2=64a 3
1+2:
35.5t+35.5t^2=160a 4
35.5/8.9=3.9662921
160/64=2.5
矛盾
22.2t+22.2t^2/2a=56 1
13.3t+13.3t^2/2a=24 2
1-2:
8.9t+8.9t^2=64a 3
1+2:
35.5t+35.5t^2=160a 4
35.5/8.9=3.9662921
160/64=2.5
矛盾