Explicație pas cu pas:
a)
b) 0,0625 +( - 1/4 +1/9) : (83-8)/90 =
625/10000 + (-9+4)/36 : 75/90=
25/400 + (-5)/36 : 15/18 =
1/16 - 5/36 × 18/15 =
1/16 - 5/2 × 1/15 =
1/16 - 1/6 = (48 - 8)/ 48 = 40/ 48 = 5/12
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Explicație pas cu pas:
a)
b) 0,0625 +( - 1/4 +1/9) : (83-8)/90 =
625/10000 + (-9+4)/36 : 75/90=
25/400 + (-5)/36 : 15/18 =
1/16 - 5/36 × 18/15 =
1/16 - 5/2 × 1/15 =
1/16 - 1/6 = (48 - 8)/ 48 = 40/ 48 = 5/12