Od jakiej liczby należy odjąć 11 5/6,aby otrzymć 7 8/15
Prosze!!!!
x - 11 i 5/6 = 7 i 8/15
x = 7 i 8/15 + 11 i 5/6
x = 7 i 16/30 + 11 i 25/30
x = 18 i 41/30
x = 19 i 11/30 ---------- odpwoiedź
x-11 5/6=7 8/15x=7 8/15+11 5/6x=113/15+71/6x=226/30+355/30x=581/30x=19 11/30
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x - 11 i 5/6 = 7 i 8/15
x = 7 i 8/15 + 11 i 5/6
x = 7 i 16/30 + 11 i 25/30
x = 18 i 41/30
x = 19 i 11/30 ---------- odpwoiedź
x-11 5/6=7 8/15
x=7 8/15+11 5/6
x=113/15+71/6
x=226/30+355/30
x=581/30
x=19 11/30