3 целых7/12-2целых 11/12

Question

3 целых7/12-2целых 11/12

Comments

2/3

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37 - 211 = 3 - 2 + 7 - 11 = 1 + 7 - 11 = 1 + 7 - 11 = 1 + -4 = 1·12 - 4 = 1·12 - 4 = 12 - 4 = 8 = 1212121212121212121212121212 = 2·4 = 2 3·43

Answer 1

3 ц. 7/12 - 2ц. 11/12= 2/3

Answer 2

(2+1+7/12)-11/12=(2+12/12+7/12)-11/12=2 19/12-2 11/12=1 8/12

Comments

ну помогло?