3/2×4/3×5/4×...×101/100×102/101=?
2/3×3/4×4/5……×100/101×101/102=【简便运算】
1 2 3 .99 100 2 3 4 .100 101 3 4 5 .101 102 .100 101 102 .19
1,2,3,...,99,100; 2,3,4,...,100,101; 4,5,6,...,101,102;...10
(-1)+2+(-3)+4+(-5)+6+.+(-99)+100+(-101)+102
1+2+3+4+5+.+100+101+102+103
3/2乘4/3乘5/4乘...101/100乘101/102
3/2***4/3*5/4*.101/100*102/101如何简便运算?
1×2×3×4+2×3×4×5+3×4×5×6+.+99×100×101×102
1+2+3+4+5+.+100+101+102+103+104+105=?
1/(1+2+3)+1/(4+5+6)+.+1/(100+101+102) =?
1+2+3+4+5``````+99+100+101+102``````+10000=
2/3*3/4*4/5*...*100/100*101/102怎么抵消