早教吧作业答案频道 -->数学-->
计算.(能简算的就简算)560+62×230÷313.8-1.9+7.2-8.150.16×425-0.16×4256-(12-13)×36.
题目详情
|
▼优质解答
答案和解析
(1)560+62×230÷31, =560+62÷31×230, =560+2×230, =560+460, =1020; (2)3.8-1.9+7.2-8.1, =3.8+7.2-(1.9+8.1), =11-10, =1; (3)50.16×
=(50.16-0.16)×
=50×
=8; (4)6-(
=6-(
=6-18+12, =0. |
看了 计算.(能简算的就简算)56...的网友还看了以下:
已知0..5=59,0.0.5=590,0..15=15990.0..15=15990,0..7= 2020-04-07 …
用你喜欢的方法计算.15-4.25-525×32×125[4-(-)]×8÷+5.2×709×99 2020-04-07 …
0.•14285•7+0.•28571•4+0.•42857•1+0.•57142•8+0.•71 2020-04-07 …
关于y=lgx^2与y=2lgX1.lgx^2(XER且X≠0)不是可化为2lgx(X>0),这样 2020-05-13 …
若二次函数f(x)=ax2+bx+c(a≠0),满足f(x+2)-f(x)=16x且f(0)=2. 2020-06-12 …
设总体X的概率分布为X012P2θ(1-θ)2θ21-2θ其中θ(0<θ<12)是未知参数,利用总 2020-06-20 …
计算.1-37+47777×9+111×37x8-14.5=5.50.25×4÷0.25×44×7 2020-07-09 …
1.关于缺省参数,不正确的是A.intf(intx,inty=0,intz=0)B.intf(in 2020-07-11 …
不用计算,在横线上填上“>”、“<”或“=”.189×0.81890.95×480.950×2.7 2020-07-18 …
(2011•平和县模拟)脱式计算:(1)(2.34-3.25×6.4)÷6.5(2)89×[34-( 2020-11-02 …