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☆算术计算1题
〖1/1算式〗
作业:求算式 0.3/(1+9%)+0.78/(1+9%)^2+0.83/(1+9%)^3+0.77/(1+9%)^4+0.52/(1+9%)^5-1-1.3/(1+9%) 的值.
题型:数学计算
解:
0.3/(1+9%)+0.78/(1+9%)^2+0.83/(1+9%)^3+0.77/(1+9%)^4+0.52/(1+9%)^5-1-1.3/(1+9%)
=0.3/1.09+0.78/(1+9%)^2+0.83/(1+9%)^3+0.77/(1+9%)^4+0.52/(1+9%)^5-1-1.3/(1+9%)
=0.3/1.09+0.78/1.09^2+0.83/(1+9%)^3+0.77/(1+9%)^4+0.52/(1+9%)^5-1-1.3/(1+9%)
=0.3/1.09+0.78/1.09^2+0.83/1.09^3+0.77/(1+9%)^4+0.52/(1+9%)^5-1-1.3/(1+9%)
=0.3/1.09+0.78/1.09^2+0.83/1.09^3+0.77/1.09^4+0.52/(1+9%)^5-1-1.3/(1+9%)
=0.3/1.09+0.78/1.09^2+0.83/1.09^3+0.77/1.09^4+0.52/1.09^5-1-1.3/(1+9%)
=0.3/1.09+0.78/1.09^2+0.83/1.09^3+0.77/1.09^4+0.52/1.09^5-1-1.3/1.09
=0.3/1.09+0.78/1.1881+0.83/1.09^3+0.77/1.09^4+0.52/1.09^5-1-1.3/1.09
=0.3/1.09+0.78/1.1881+0.83/1.295029+0.77/1.09^4+0.52/1.09^5-1-1.3/1.09
=0.3/1.09+0.78/1.1881+0.83/1.295029+0.77/1.41158161+0.52/1.09^5-1-1.3/1.09
=0.3/1.09+0.78/1.1881+0.83/1.295029+0.77/1.41158161+0.52/1.5386239549-1-1.3/1.09
=0.275229+0.78/1.1881+0.83/1.295029+0.77/1.41158161+0.52/1.5386239549-1-1.3/1.09
=0.275229+0.65651+0.83/1.295029+0.77/1.41158161+0.52/1.5386239549-1-1.3/1.09
=0.275229+0.65651+0.640912+0.77/1.41158161+0.52/1.5386239549-1-1.3/1.09
=0.275229+0.65651+0.640912+0.545487+0.52/1.5386239549-1-1.3/1.09
=0.275229+0.65651+0.640912+0.545487+0.337964-1-1.3/1.09
=0.275229+0.65651+0.640912+0.545487+0.337964-1-1.192661
=0.931739+0.640912+0.545487+0.337964-1-1.192661
=1.572651+0.545487+0.337964-1-1.192661
=2.118138+0.337964-1-1.192661
=2.456102-1-1.192661
=1.456102-1.192661
=0.263441 答案:0.3/(1+9%)+0.78/(1+9%)^2+0.83/(1+9%)^3+0.77/(1+9%)^4+0.52/(1+9%)^5-1-1.3/(1+9%)=0.263441你的问题在这里没有得到解决?请到 热门难题 里面看看吧!