Mixed operation of rational numbers, 1. (simple method) - 99 and 18 / 17 * (- 9) 2、-1²-【10/7+（-12）/6】²*（-3/4）³ | Math enthusiast | Mathematical art

Mixed operation of rational numbers, 1. (simple method) - 99 and 18 / 17 * (- 9) 2、-1²-【10/7+（-12）/6】²*（-3/4）³

1. Is 18 * (- 9) of - 99 and 17 * (- 9) of - 99 and 18 * (- 9) = (- 100 + 1 / 18) × (- 9) = (- 100) × (- 9) + (1 / 18) × (- 9) = 900-1 / 2 = 899 and 12 / 2, - 1 & # 178; - [10 / 7 + (- 12) / 6] &# 178

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