(1) (23) 0 + (− 1) 3 + (13) − 3 ^ ^ − 3 ^. (2) (- 27) - 15 × (- 9) 20 ^ (- 3) - 7 | Math enthusiast | Mathematical art

(1) (23) 0 + (− 1) 3 + (13) − 3 ^ ^ − 3 ^. (2) (- 27) - 15 × (- 9) 20 ^ (- 3) - 7

(1) The original formula = 1-1 + 27 △ 3 = 9; (2) the original formula = (- 3) - 45 × (- 3) 40 × (- 3) 7 = (- 3) - 45 + 40 + 7 = (- 3) 2 = 9

Calculation: 2 / 15 × [(2 / 3-3 / 5) △ 4 / 27] process,

2/15×[﹙2/3－3/5﹚÷4/27]
=2/15×[1/15÷4/27]
=2/15×1/15*27/4
=3/50

Simple calculation of 15.27 + 13.27-3.27

15.27+13.27-3.27
=15.27+(13.27-3.27)
=15.27+10
=25.27

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