4-(14分之9+7分之5)
=4-(14分之9+14分之10)
=4-1又14分之5
=2又14分之9
猜你喜欢
- 1能告诉我热胀冷缩的原理吗
- 2x^5+3x^4y-5x^3y^2-15x^2y^3+4xy^4+12y^5分解因式
- 3用put offl来造句(英语来写)并说出您造句的意思.
- 4将there,here,hair,where,their,ear,pear,chair,hear按音标归类为[єə]和[iə],
- 5you're too heavy you should eat ____meat A much B lots C more D less
- 6已知函数f(x)=2-x^2,g(x)=x.若定义函数F(x)=min{f(x),g(x)},则F(x)的最大值是?
- 7We have the meal in the evening.
- 8The day before Christmas we call Christmas Eve and we name the day after Christmas?
- 9左边一个【角】,右边一个【思】,是什么字?
- 10为什么用碳酸钙和稀盐酸而不用碳酸钙和稀硫酸制取二氧化碳