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 ((30+1)/1700)*((30+1)/1700)+(9.8/31)*(9.8/31)/(1700/31) 的值.
题型:数学计算
解:
((30+1)/1700)*((30+1)/1700)+(9.8/31)*(9.8/31)/(1700/31)
=(31/1700)*((30+1)/1700)+(9.8/31)*(9.8/31)/(1700/31)
=0.018235*((30+1)/1700)+(9.8/31)*(9.8/31)/(1700/31)
=0.018235*(31/1700)+(9.8/31)*(9.8/31)/(1700/31)
=0.018235*0.018235+(9.8/31)*(9.8/31)/(1700/31)
=0.018235*0.018235+0.316129*(9.8/31)/(1700/31)
=0.018235*0.018235+0.316129*0.316129/(1700/31)
=0.018235*0.018235+0.316129*0.316129/54.83871
=0.000333+0.316129*0.316129/54.83871
=0.000333+0.099938/54.83871
=0.000333+0.001822
=0.002155 答案:((30+1)/1700)*((30+1)/1700)+(9.8/31)*(9.8/31)/(1700/31)=0.002155你的问题在这里没有得到解决?请到 热门难题 里面看看吧!