Oblicz:
a) 1 1/4 x 4 = .... + 3/7 = ... x 7 = ...
b) 5 1/11 - ... = a 3/11 + 7/11 = ... x 6 = ...
a) 1i1/4 *4 = 5/4 *4 = 5 +3/7 =5i3/7*7= 38/7 *7= 38
b) 5 i1/11 - 2i9/11 = 2i3/11 + 7/11 = 2i10/11 *6= 32/11 *6 = 192/11= 17i5/11
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a) 1i1/4 *4 = 5/4 *4 = 5 +3/7 =5i3/7*7= 38/7 *7= 38
b) 5 i1/11 - 2i9/11 = 2i3/11 + 7/11 = 2i10/11 *6= 32/11 *6 = 192/11= 17i5/11