归纳法:1³=1,
1³+2³=﹙1+2﹚²,
1³+2³+3³=﹙1+2+3﹚²,
1³+2³+3³+4³=﹙1+2+3+4﹚²,
1³+2³+3³+4³+5³=﹙1+2+3+4+5﹚²,······
1³+2³+3³+······+100³=﹙1+2+3+······+100﹚²,
∴√1³+2³+3³+······+100³=√﹙1+2+3+······+100﹚²
=1+2+3+······+100
=5050.
归纳法:1³=1,
1³+2³=﹙1+2﹚²,
1³+2³+3³=﹙1+2+3﹚²,
1³+2³+3³+4³=﹙1+2+3+4﹚²,
1³+2³+3³+4³+5³=﹙1+2+3+4+5﹚²,······
1³+2³+3³+······+100³=﹙1+2+3+······+100﹚²,
∴√1³+2³+3³+······+100³=√﹙1+2+3+······+100﹚²
=1+2+3+······+100
=5050.