Pack oranges in baskets with 30kg as the standard. The excess kilogram is a positive number and the insufficient kilogram is a negative number. The weighing records are as follows: 5, - 4, + 1, 0, - 3, - 5, + 4, - 6, + 2, + 1? How many kilos are 10 baskets of oranges?

Pack oranges in baskets with 30kg as the standard. The excess kilogram is a positive number and the insufficient kilogram is a negative number. The weighing records are as follows: 5, - 4, + 1, 0, - 3, - 5, + 4, - 6, + 2, + 1? How many kilos are 10 baskets of oranges?

5-4 + 1 + 0-3-5 + 4-6 + 2 + 1, = 5-5-4 + 4 + 1 + 0 + 2 + 1-3-6, = 4-9, = - 5 (kg), 30 × 10 + (- 5) = 300-5 = 295 (kg), a: compared with the total standard weight, the total weight is less than 5 dry grams, 10 baskets of oranges are 295 kg

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