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☆算术计算1题
〖1/1算式〗
作业:求算式 12.862*(0.3857+4.6+5.258)+106.982*((4.6-0.458)/2+5.258)+426.395*2.277-167.918*0.892-39.87*(8.71-1.5+5.258) 的值.
题型:数学计算
解:
12.862*(0.3857+4.6+5.258)+106.982*((4.6-0.458)/2+5.258)+426.395*2.277-167.918*0.892-39.87*(8.71-1.5+5.258)
=12.862*10.2437+106.982*((4.6-0.458)/2+5.258)+426.395*2.277-167.918*0.892-39.87*(8.71-1.5+5.258)
=12.862*10.2437+106.982*(4.142/2+5.258)+426.395*2.277-167.918*0.892-39.87*(8.71-1.5+5.258)
=12.862*10.2437+106.982*7.329+426.395*2.277-167.918*0.892-39.87*(8.71-1.5+5.258)
=12.862*10.2437+106.982*7.329+426.395*2.277-167.918*0.892-39.87*12.468
=131.754469+106.982*7.329+426.395*2.277-167.918*0.892-39.87*12.468
=131.754469+784.071078+426.395*2.277-167.918*0.892-39.87*12.468
=131.754469+784.071078+970.901415-167.918*0.892-39.87*12.468
=131.754469+784.071078+970.901415-149.782856-39.87*12.468
=131.754469+784.071078+970.901415-149.782856-497.09916
=915.825547+970.901415-149.782856-497.09916
=1886.726962-149.782856-497.09916
=1736.944106-497.09916
=1239.844946 答案:12.862*(0.3857+4.6+5.258)+106.982*((4.6-0.458)/2+5.258)+426.395*2.277-167.918*0.892-39.87*(8.71-1.5+5.258)=1239.844946你的问题在这里没有得到解决?请到 热门难题 里面看看吧!