总述:本次共解1题。其中
☆算术计算1题
〖1/1算式〗
作业:求算式 1/12×200×1300^3+200×1300×(1/2×1300-246.8)^2+1/12×(2200-200)×120^3+(2200-200)×120×(120/2-246.8)^2+(6.|667-1)×9650×(1160-246.8)^2 的值.
题型:数学计算
解:
1/12×200×1300^3+200×1300×(1/2×1300-246.8)^2+1/12×(2200-200)×120^3+(2200-200)×120×(120/2-246.8)^2+(6.|667-1)×9650×(1160-246.8)^2
=1/12×200×1300^3+200×1300×403.2^2+1/12×(2200-200)×120^3+(2200-200)×120×(120/2-246.8)^2+(6.667-1)×9650×(1160-246.8)^2
=1/12×200×1300^3+200×1300×403.2^2+1/12×2000×120^3+(2200-200)×120×(120/2-246.8)^2+(6.667-1)×9650×(1160-246.8)^2
=1/12×200×1300^3+200×1300×403.2^2+1/12×2000×120^3+2000×120×(120/2-246.8)^2+(6.667-1)×9650×(1160-246.8)^2
=1/12×200×1300^3+200×1300×403.2^2+1/12×2000×120^3+2000×120×(-186.8)^2+(6.667-1)×9650×(1160-246.8)^2
=1/12×200×1300^3+200×1300×403.2^2+1/12×2000×120^3+2000×120×(-186.8)^2+5.667×9650×(1160-246.8)^2
=1/12×200×1300^3+200×1300×403.2^2+1/12×2000×120^3+2000×120×(-186.8)^2+5.667×9650×913.2^2
=1/12×200×2197000000+200×1300×403.2^2+1/12×2000×120^3+2000×120×(-186.8)^2+5.667×9650×913.2^2
=1/12×200×2197000000+200×1300×162570.239999999990687+1/12×2000×120^3+2000×120×(-186.8)^2+5.667×9650×913.2^2
=1/12×200×2197000000+200×1300×162570.239999999990687+1/12×2000×1728000+2000×120×(-186.8)^2+5.667×9650×913.2^2
=1/12×200×2197000000+200×1300×162570.239999999990687+1/12×2000×1728000+2000×120×34894.240000000005239+5.667×9650×913.2^2
=1/12×200×2197000000+200×1300×162570.239999999990687+1/12×2000×1728000+2000×120×34894.240000000005239+5.667×9650×833934.240000000107102
=0.083333×200×2197000000+200×1300×162570.239999999990687+1/12×2000×1728000+2000×120×34894.240000000005239+5.667×9650×833934.240000000107102
=16.6666×2197000000+200×1300×162570.239999999990687+1/12×2000×1728000+2000×120×34894.240000000005239+5.667×9650×833934.240000000107102
=36616520200+200×1300×162570.239999999990687+1/12×2000×1728000+2000×120×34894.240000000005239+5.667×9650×833934.240000000107102
=36616520200+260000×162570.239999999990687+1/12×2000×1728000+2000×120×34894.240000000005239+5.667×9650×833934.240000000107102
=36616520200+42268262400+1/12×2000×1728000+2000×120×34894.240000000005239+5.667×9650×833934.240000000107102
=36616520200+42268262400+0.083333×2000×1728000+2000×120×34894.240000000005239+5.667×9650×833934.240000000107102
=36616520200+42268262400+166.666×1728000+2000×120×34894.240000000005239+5.667×9650×833934.240000000107102
=36616520200+42268262400+287998848+2000×120×34894.240000000005239+5.667×9650×833934.240000000107102
=36616520200+42268262400+287998848+240000×34894.240000000005239+5.667×9650×833934.240000000107102
=36616520200+42268262400+287998848+8374617600.000001+5.667×9650×833934.240000000107102
=36616520200+42268262400+287998848+8374617600.000001+54686.55×833934.240000000107102
=36616520200+42268262400+287998848+8374617600.000001+45604986512.472008
=78884782600+287998848+8374617600.000001+45604986512.472008
=79172781448+8374617600.000001+45604986512.472008
=87547399048+45604986512.472008
=133152385560.472015 答案:1/12×200×1300^3+200×1300×(1/2×1300-246.8)^2+1/12×(2200-200)×120^3+(2200-200)×120×(120/2-246.8)^2+(6.|667-1)×9650×(1160-246.8)^2=133152385560.472015你的问题在这里没有得到解决?请到 热门难题 里面看看吧!