Помогите решить наиболее удобным способом!!!! ( 2 целых 7/8, 9 целых 1/2)
7/12 * 2 7/8 + 2 7/8
-------------------------
9 1/2 * 2 7/8 * 1/3
2 7/8(7/12 + 1) = 1 7/12 = 19/12 = 19/12 * 6/12 =6/12=1/2
9 1/2* 2 7/8 * 1/3 9 1/2* 1/3 19/6
2 7/8(7/12+1) 7/12+1 19/12
-------------------=-------------=--------- =19/12*6/19=6/12=1/2
9 1/2*2 7/8*1/3 9 1/2*1/3 19/6
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2 7/8(7/12 + 1) = 1 7/12 = 19/12 = 19/12 * 6/12 =6/12=1/2
9 1/2* 2 7/8 * 1/3 9 1/2* 1/3 19/6
2 7/8(7/12+1) 7/12+1 19/12
-------------------=-------------=--------- =19/12*6/19=6/12=1/2
9 1/2*2 7/8*1/3 9 1/2*1/3 19/6