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12又3/1乘以11又3/2等于多少,%又4/5乘以20又1/...

如图

原式=(64+3/4+32+1/4)×1/11+11/2×4 =97/11+22 =30+9/11.

列式计算:4/29乘以4又1/3与1又11/12的差,积是多少? 4/29×(4又1/3-1又11/12) =4/29×(13/3-23/12) =4/29×29/12 =1/3

解: (-11)*(-2/5)+(-11)*(2+3/5)+(-11)*(-1/5) =(-11)*(-2/5+2+3/5-1/5) =(-11)*2 = -22

5/3x7/5x9/7x.....x101/99=101/3=33又2/3,就是相互约分了啊,剩下第一个数的分母和最后一个数的分子

请参考

解:十一又8/7-2又1/5×1又11分之3的差减六又3分之2÷2又12分之1 = (11又8/7 - 2又1/5 × 1又3/11)- 6又2/3 ÷ 2又1/12 = [(11×7+8)/7 - (2×5+1)/5 × (1×11+ 3)/11] - (6×3+ 2)/3 ÷ (2×12+ 1)/12 = (85/7 - 11/5 × 14/11)- 20/3 ÷ 25/...

题目是1又2/3 乘以1又2/5乘以1又2/7乘以1又2/9乘以......乘以1又2/99 5/3 * 7/5 * 9/ 7 *-------------99/97 * 101/99 = 101/3

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