(x²-5) (x²-10)<0

My sister is very keen on swimming,and she goes swimming three_______a week.

My sister is very keen on swimming,and she goes swimming three_______a week.

My sister is very keen on swimming,and she goes swimming three_______a week.

1. You need to be_______to follow eggshell carving because it may take two weeks to complete on shell.

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