巧算(2002002+200.2002)÷(8008008+800.8008)

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巧算(2002002+200.2002)÷(8008008+800.8008)
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巧算(2002002+200.2002)÷(8008008+800.8008)
巧算(2002002+200.2002)÷(8008008+800.8008)

巧算(2002002+200.2002)÷(8008008+800.8008)

0.25

1/4

(2002002+200.2002)÷(8008008+800.8008)
=(2002002+200.2002)÷[4×(2002002+200.2002)]
=1/4