2⊙3
=2*2-3*3+1
=4-9+1
=-4
猜你喜欢
- 1在一个标准大气压下,给冰水混合物加热,水的温度是零上还是零下还是零摄氏度?
- 2what do you think of the weather in jinan回答这个
- 3解方程5(x²+x-3)-4x(x+6)=-x(4-4)
- 4物理纸带问题有ABCDE,5个点AC距离是S1,CE距离是S2,频率是f求加速度表达式,ΔS=at^2,为嘛是S2-S1/（2T）^2,S2-S1的话不也应该是4个时间了么
- 5以are you have a cold?为题的英语作文
- 6说明方程X²-（2M+1）X+2M²+3=0 无实数根
- 73x-2x=18除5
- 8My mother can sing ,too改为否定句
- 9高一语法相关We are sure that we shall succeed
- 10成语之最 最值钱的字