Daily Archives: January 10, 2019

DAY/DYDD 10:

The Main Challenge Using seven 7’s (7 7 7 7 7 7 and 7) once each, with + – × ÷ available, it is possible to make various target answers, such as 7 as shown here: 7+7+7+7–7–7–7 = 7,  or perhaps 7×(7÷7)×(7÷7)×(7÷7) … Continue reading

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