括号一加二分之一乘以括号一加三分之一,乘以一家四分之一乘以。。。。。乘以1加十分之一怎么算啊?
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(1+1/2)×(1+1/3)×(1+1/4)×(1+1/5)。。。。×(1+1/10).
=3/2×4/3×5/4×6/5×7/6×8/7×9/8×10/9×11/10
=2×5/4×6/5×7/6×8/7×9/8×10/9×11/10
=5/2×6/5×7/6×8/7×9/8×10/9×11/10
=3×7/6×8/7×9/8×10/9×11/10
=7/2×8/7×9/8×10/9×11/10
=4×9/8×10/9×11/10
=9/2×10/9×11/10
=5×11/10
=5.5
=3/2×4/3×5/4×6/5×7/6×8/7×9/8×10/9×11/10
=2×5/4×6/5×7/6×8/7×9/8×10/9×11/10
=5/2×6/5×7/6×8/7×9/8×10/9×11/10
=3×7/6×8/7×9/8×10/9×11/10
=7/2×8/7×9/8×10/9×11/10
=4×9/8×10/9×11/10
=9/2×10/9×11/10
=5×11/10
=5.5
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(1+1/2)(1+1/3)(1+1/4)……(1+1/10)
=3/2×4/3×5/4×……11/10
=11/2
=3/2×4/3×5/4×……11/10
=11/2
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(1+1/2)×(1+1/3)×(1+1/4)×(1+1/5)。。。。×(1+1/10).
=3/2×4/3×5/4×6/5×7/6×8/7×9/8×10/9×11/10
=2×5/4×6/5×7/6×8/7×9/8×10/9×11/10
=5/2×6/5×7/6×8/7×9/8×10/9×11/10
=3×7/6×8/7×9/8×10/9×11/10
=7/2×8/7×9/8×10/9×11/10
=4×9/8×10/9×11/10
=9/2×10/9×11/10
=5×11/10
=5.5
=3/2×4/3×5/4×6/5×7/6×8/7×9/8×10/9×11/10
=2×5/4×6/5×7/6×8/7×9/8×10/9×11/10
=5/2×6/5×7/6×8/7×9/8×10/9×11/10
=3×7/6×8/7×9/8×10/9×11/10
=7/2×8/7×9/8×10/9×11/10
=4×9/8×10/9×11/10
=9/2×10/9×11/10
=5×11/10
=5.5
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