① 7 / 15-7 / 15 times 14 / 15 simple calculation ② 3.5/4 + 360 times 25% + 0.25 times 36.5 Both questions require simple calculation

What's the test for? It's scary
First question
=7/15*(1-14/15)
=7/225
Second question
=0.25*（3.5+360+36.5）
=0.25*400
=10

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