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A simple algorithm for 39 3 / 23 × 0.7 + 65 5 / 23 × 4.18
39 3 / 23 × 0.7 + 65 5 / 23 × 4.18
=39 3 / 23 + 65 5 / 23 + 65 5 / 23 × 0.18-39 3 / 23 × 0.3
=104 + 8 / 23 + 13 + 1 / 23 × 0.9-13 + 1 / 23 × 0.9
=104 and 8 / 23
65 * 0.37-6.5 * 2.7 = simple algorithm?
65*0.37-6.5*2.7
=6.5×3.7-6.5×2.7
=6.5×(3.7-2.7)
=6.5×1
=6.5
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