Simple calculation of 28 * 55-28 + 28 * 46

Simple calculation of 28 * 55-28 + 28 * 46


28*55-28+28*46
=28*55-28*1+28*46
=28*(55-1+46)
=28*100
=2800



18 × 25% + 1 / 4 × 60 + 42 × 0.25


18 × 25% + 1 / 4 × 60 + 42 × 0.25
=18*1/4+1/4*60+42*1/4
=1/4*(18+60+42)
=1/4*120
=30
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Simple calculation of (0.25 + 1 / 3) × (1.6 △ 4 / 5)?


(0.25 + 1 / 3) × (1.6 △ 4 / 5)
=(1/4+1/3)x8/5÷5/4
=(1/4+1/3)x8/4
=7/12x2
=7/6