3.14 times 1 and 3 / 8 plus 0.314 times 25 / 4 minus 31.4 times 0.2

3.14 times 1 and 3 / 8 plus 0.314 times 25 / 4 minus 31.4 times 0.2

3.14 times 1 and 3 / 8 plus 0.314 times 25 / 4 minus 31.4 times 0.2
=3.14×1.375+0.314×6.25-31.4×0.2
=3.14×(1.375+0.625-2)
=3.14×0
=0

3.14 times one and three eighths plus 0.314 times one sixteenth minus 31.4 times 0.5

3.14*11/8+0.314*1/16-31.4*0.2=0.314*（110/8+1/16-20）=0.314*（13.8125-20） =0.314*（-6.1875）=-1.942875

1.4 times 5 / 6 = 3 / 8 times 0.25 plus 1 / 4 times 5 / 8 minus 1 / 4
Five thirds times 0.76

1,24 / 10 × 7 / 4 + 7 / 4 × 21 / 5 + 1 × 7 / 4
=(24 / 5 + 21 / 5 + 1) × July 4
=10 × 4 July
= 35/2
2 = 2×（3 / 8-1 / 4 + 5/6）
=2 × (January 8 + 5 / 6) br / > = 2 × 23 / 24
= 23/12