(0.3)^-2+(3/7)^-1+(0.5)^-1+(0.5)^-2*3/7+(-1)^8

Question

(0.3)^-2+(3/7)^-1+(0.5)^-1+(0.5)^-2*3/7+(-1)^8

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Answer 1

100/9 +7/3 + 2 + 4 + 3/7 +1
1)4* 3/7=12/7=1 5/7(одна целая 5/7)
2)100/9 +7/3=13 4/9( тринадцать целых 4/9)
3)13 4/9 +2=15 4/9 (пятнадцать целых 4/9)
4)1 5/7+1=2 5/7(две целых 5/7)
5)15 4/9 + 2 5/7 = 18 10/63