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How to do a math problem in the fourth grade of primary school?
1, average fuel consumption per 100 kilometers: 32÷348× 100≈9.20.

Average fuel consumption per 100 kilometers:136.32 ÷ 348×100 ≈ 39.17 yuan.

2. 803÷ 1.25=642.4 km/h ≈ 10.7 1 km/min.

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