3的X次方=4,3的Y次方=5
所以
3的3X+2Y+1次方减（3的X+Y次方）
=（3的x次方）³×（3的Y次方）²×3-（3的X次方×3的Y次方）²
=4³×5²×3-4²×5²
=4800-400
=4400
若3的X次方=4,3的Y次方=5,试求3的3X+2Y+1次方减（3的X+Y次方）的平方的值
若3的X次方=4,3的Y次方=5,试求3的3X+2Y+1次方减（3的X+Y次方）的平方的值
数学人气：604 ℃时间：2019-08-31 15:34:40
优质解答
我来回答
类似推荐
猜你喜欢
- 1怎样养成有礼貌的好习惯
- 2求判断昵称为字母、数字、下划线、汉字且长度不能超过16的正则表达式
- 3I want to be ( ),What should I do?First,you must keep( )every day.A.health;happyB.unhealthy;happy
- 4I love to eat meat that___(cook)well and tastes delicious.
- 5here---some advice用is 还是 has拜托各位大神
- 6光合作用,高中生物!
- 710公斤等于几kg?
- 86和12的公因数是多少?27和9的公因数是多少?
- 9She looks very sad.I want to help her but I don't know____to do.A.what B.how C.where D.when
- 10Dark glasses serve to _____ eyes from the glare of the sun.怎么选?