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六年级口算大全带答案(分数,小数)加减乘除
题目内容:
六年级口算大全带答案(分数,小数)加减乘除优质解答
0.45 × 4 = 1.8 0.75 × 4.3 = 3.225 1.05 × 4.6 = 4.83 1.35 × 4.9 = 6.615 1.65 × 5.2 = 8.58 1.95 × 5.5 = 10.725 2.25 × 5.8 ... - 追问:
- 有没有分数乘分数的?
- 追答:
- 1/2 × 7/8 = 7/16 2/3 × 5/12= 5/18 1/3 × 9/10= 3/10 2/3 × 2/5 = 4/15 1/4 × 4/7 = 1/7 3/4 × 26/35= 39/70 1/5 × 32/35= 17/93 2/5 × 2/7 = 4/35 3/5 × 1/3 = 1/5 4/5 × 8/21= 25/82 1/6 × 3/7 = 1/14 5/6 × 10/21= 25/63 1/7 × 11/21= 3/40 2/7 × 4/7 = 8/49 3/7 × 13/21= 13/49 4/7 × 2/3 = 8/21 5/7 × 5/7 = 25/49 6/7 × 16/21= 32/49 1/8 × 17/21= 8/79 3/8 × 6/7 = 9/28 5/8 × 19/21= 13/23 7/8 × 20/21= 5/6 1/9 × 5/8 = 5/72 2/9 × 5/9 = 10/81 4/9 × 35/72= 8/37 5/9 × 5/12= 3/13 7/9 × 25/72= 10/37 8/9 × 5/18= 20/81 学习愉快!
优质解答
- 追问:
- 有没有分数乘分数的?
- 追答:
- 1/2 × 7/8 = 7/16 2/3 × 5/12= 5/18 1/3 × 9/10= 3/10 2/3 × 2/5 = 4/15 1/4 × 4/7 = 1/7 3/4 × 26/35= 39/70 1/5 × 32/35= 17/93 2/5 × 2/7 = 4/35 3/5 × 1/3 = 1/5 4/5 × 8/21= 25/82 1/6 × 3/7 = 1/14 5/6 × 10/21= 25/63 1/7 × 11/21= 3/40 2/7 × 4/7 = 8/49 3/7 × 13/21= 13/49 4/7 × 2/3 = 8/21 5/7 × 5/7 = 25/49 6/7 × 16/21= 32/49 1/8 × 17/21= 8/79 3/8 × 6/7 = 9/28 5/8 × 19/21= 13/23 7/8 × 20/21= 5/6 1/9 × 5/8 = 5/72 2/9 × 5/9 = 10/81 4/9 × 35/72= 8/37 5/9 × 5/12= 3/13 7/9 × 25/72= 10/37 8/9 × 5/18= 20/81 学习愉快!
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