简算0.01+0.03+0.05+…+0.09++0.11+…0.97+0.99
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简算0.01+0.03+0.05+…+0.09++0.11+…0.97+0.99
简算0.01+0.03+0.05+…+0.09++0.11+…0.97+0.99
简算0.01+0.03+0.05+…+0.09++0.11+…0.97+0.99
0.01+0.03+0.05+…+0.09++0.11+…0.97+0.99
=1/100*(1+3+5+...+97+99)
=1/100*(1+99)*50/2
=25
0.01+0.03+0.05+…+0.09++0.11+…0.97+0.99
=(0.01+0.99)+(0.03+0.97)+...+(0.49+0.51)
=1*25
=25
(0.01+0.99)*99/2=49.5 答题不易 望采纳谢谢
这是等差数列,公差为2…共有50项…用公式求解(0.01 0.99)/2再×50=50
简算0.01+0.03+0.05+…+0.09++0.11+…0.97+0.99
0.01+0.02+0.03+……+0.97+0.98+0.99(简算)快
简算.0.01+0.02+0.03省略号+0.98+0.99
将“0.01+0.02+0.03+0.04+0.05……+0.19+0.2”改写成乘法算式,并计算出它的结果
1+0.99-0.98-0.97+0.96+0.95-0.94-0.93+…+0.08+0.07-0.06-0.05+0.04+0.03-0.02-0.01
0.01+0.03x/0.05-1-02x/0.2=1
0.01+0.03+……+0.09+0.11+……0.97+0.99
0.01+0.02+0.03+0.04+……+0.99的计算方法
0.01+0.02+0.03+……+0.98+0.99+0.10怎么算
1+0.99-0.98-0.97+0.96+0.95-0.94-0.93+.+0.08+0.07-0.06-0.05+0.04+0.03-0.02-0.01
+0.99-0.98-0.97+0.96+0.95-0.94-0.93+.+0.08+0.07-0.06-0.05+0.04+0.03-0.02-0.01
1-0.01-0.02-0.03-0.04-0.05-0.06-0.07-0.08-0.09用简便方法计算
0.01+0.03+0.05+0.07+0.09+0.11+0.13+0.15+0.17+0.19+.0.99
0.2分之0.1x+0.1-0.05分之0.03x-0.01=1
5/6-(0.03x-0.01)/0.05=8/15-(0.2x-0.1)/0.2
解方程:(0.3+0.4x)/0.5-(0.05+0.03x)/0.01=2
0.99-0.98-0.97+0.96+0.95-0.94-0.93+...+0.04+0.03-0.02-0.01(简算)
x/0.3-(0.03+0.05x)/0.02+4=0