计算:(1)23×312(2)a5+2a3b2+ab4(3)313÷(25213 发布时间:2017-04-13 10:57 │ 来源:www.tikuol.com 题型:解答题 问题: 计算:(1)23×312(2)a5+2a3b2+ab4(3)313÷(25213)×(4125)(4)ab÷ab•1ab(a、b>0)
题型:解答题 算一算,在横线上写出正确的英文数字。1. five + six = 2. fifteen - = one 3. four × five = 4. sixteen + fourteen = 5. three + = twenty-nine 6. ÷ two = eight 查看答案