a=0.00.0125(1996个0), b=0.00.08(1996个0),求a×b,a÷b,a+b

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a=0.00.0125(1996个0), b=0.00.08(1996个0),求a×b,a÷b,a+b
a=0.00.0125(1996个0), b=0.00.08(1996个0),求a×b,a÷b,a+b

a=0.00.0125(1996个0), b=0.00.08(1996个0),求a×b,a÷b,a+b
a×b=0.00.01(3991个0)
a÷b=0.125/0.8=5/32
a+b=0.00.0925(1996个0)

乘:0.0...01(3989个0)
除:125/8=15.625
加:0.0...133(1996个0)