8y-y怎么计算?
8y-y=(8-1)y=7y,
故答案为7y
这个代数式计算合并同类项就行了
学习数学要掌握方法,学数学,用数学
二y减去负1.8y等于多少?
- 2y-(-1.8y)=2y+1.8y=3.8y
x-y=8y.156-x=8(84-x)等于多少
- x-y=8y x=9y156-x=672-8x7x=672-1567x=516x笭尝蒂妒郦德垫泉叮沪=5167y=46447
x-y=8y.156-x=8(84-x)等于多少
- x-y=8y x=9y156-x=672-8x7x=672-1567x=516x笭尝蒂妒郦德垫泉叮沪=5167y=46447
8y乘5x等于多少
- 8y×5x=40xy