質問: write as fractions in lowest terms.a) 0.60b) 0.05c) 0.75d) 0.18e) 0.2f) 0.066 write as fractions in lowest terms.a) 0.60b) 0.05c) 0.75d) 0.18e) 0.2f) 0.066
回答: (a) 0.60 = 60100 = 35 (b) 0.05 = 5100 = 120 (c) 0.75 = 75100 = 25 × 325 × 4 = 34 (d) 0.18 = 18100 = 2 × 92 × 50 = 950 ( 9 & 50 are co - prime they can not be further reduced)(e) 0.2 = 210 = 15 (f) 0.066 = 661000 = 2 × 332 × 500 = 33500