Odpowiedź:
Szczegółowe wyjaśnienie:
a) 2 2/3*7/8 - 1 1/2) : 4/9= ( 8/3* 7/8 - 3/2) : 4/9 = ( 1/3 * 7/1 - 3/2) : 4/9 = ( 7/3 - 3/2) : 4/9 = ( 14/6 - 9/6) : 4/9 = 5/6 : 4/9= 5/2 * 3/4 = 15/8 = 1 7/8
b) 5 1/6 : [12 * ( 1 5/6 + 3/4) ] = 5 1/6 : [12 * (1 10/12 + 9/12)] = 5 1/6 : [12 * 2 7/12)] = 5 1/6 : [12/1 * 31/1] = 5 1/6 : 31 = 31/6 * 1/31 = 1/6 * 1/1 = 1/6
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Verified answer
Odpowiedź:
Szczegółowe wyjaśnienie:
a) 2 2/3*7/8 - 1 1/2) : 4/9= ( 8/3* 7/8 - 3/2) : 4/9 = ( 1/3 * 7/1 - 3/2) : 4/9 = ( 7/3 - 3/2) : 4/9 = ( 14/6 - 9/6) : 4/9 = 5/6 : 4/9= 5/2 * 3/4 = 15/8 = 1 7/8
b) 5 1/6 : [12 * ( 1 5/6 + 3/4) ] = 5 1/6 : [12 * (1 10/12 + 9/12)] = 5 1/6 : [12 * 2 7/12)] = 5 1/6 : [12/1 * 31/1] = 5 1/6 : 31 = 31/6 * 1/31 = 1/6 * 1/1 = 1/6