2 * 2= помогите даю 23 балла...

July 2022 2 8 Report

3целых 7/8+(2 целых 3/8 - 1 целую 5/8 ) =
3 целых 7/8 - ( 2 целых 3 /8- 1 целую 3 /4 )=
5 целых * 4 + 2 целых 5 /6 * 4 + 8 целых 1 /2 * 4 =
3 целых 1 /2 * 2 + 2 целых 1/2 * 2 + 3 целых 1/2 * 2=
помогите даю 23 балла

svetazuna 1. 3 7/8 + (2 3/8 - 1 5/8) = 3 1/8,
1) 2 3/8 - 1 5/8 = 19/8-13/8 = 6/8 = 3/4,
2) 3 7/8 - 3/4 = 31/8-6/8 = 25/8 = 3 1/8,

2. 3 7/8 - (2 3/8 - 1 3/4) = 3 1/4,
1) 2 3/8 - 1 3/4 = 19/8 - 7/4 = 19/8 - 14/8 = 5/8,
2) 3 7/8 - 5/8 = 3 2/8 = 3 1/4,

3. 5 * 4 + 2 5/6 * 4 + 8 1/2 * 4 = 4 * (5 + 17/6 + 17/2) = 4 * (5 + 17/6 + 51/6) = 4 * (5 + 68/6) = 4 * (5 + 11 1/3) = 4 * (16 1/3) = 4 * 49/3 = 196/3 = 65 1/3,

4. 3 1/2 * 2 + 2 1/2 * 2 + 3 1/2 * 2 = 2 * (3 1/2 + 2 1/2 + 3 1/2) = 2 * (7/2 + 5/2 + 7/2) = 2 * (19/2) = 19

2 votes Thanks 1

artemshutov991 В первом 4 целых 5/8 Во втором 65 целых 1/3 В третьем 19

0 votes Thanks 0

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