15.37*7.98-9.37*7.98+15.37*2.11-1.937*21.1
=(15.37-9.37)*7.98+(15.37-1.937)*2.11
=6*7.98+13.433*2.11
=47.88+28.34363
=76.22363
简算:15.37*7.98-9.37*7.98+15.37*2.11-1.937*21.1
简算:15.37*7.98-9.37*7.98+15.37*2.11-1.937*21.1
数学人气:297 ℃时间:2020-04-03 11:10:35
优质解答
我来回答
类似推荐
猜你喜欢
- 1已知函数f(x)=|2-x|+|x+1|解不等式f(x)>5;
- 2Your uncle seems to be a good driver;____,I wouldn't dare to travel in his car.
- 3计算小数除法,需要求商的近似值,一般除到比需要保留的小数位数(),在按照(),把()去掉.
- 4计算:lim(n→∞)(1-a^n)/(1+a^n)
- 5某校举办足球比赛,规定:胜1场得3分,平1场得1分,负1场得0分.某班足球队参加了12场比赛,只输了2场,共得22分,那么此对胜几场?平几场?
- 6the girl is new here and she lives a___.So she seems lonely.
- 7有什么书是表达对家人的关爱之情?
- 8牛的头数比羊的只数多25%,羊的只数比牛的头数少_%
- 9氧气是怎样变成二氧化碳的
- 10判断下面每道题中的两种量是否成正比例,并说明理由.1.一个因数一定,积和另一个因数.