(3.86-2.66 △ 0.7) × 1.5

(3.86-2.66 △ 0.7) × 1.5


(3.86-2.66/0.7)*1.5 = 0.09



How to calculate 3.89/1.25


3.89/1.25
=(3.89x8)÷(1.25x8)
=(4x8-0.11x8)÷10
=(32-0.88)÷10
=31.12÷10
=3.112
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