Вычислите наиболее удобным способом:
[tex]4 \frac{1}{5} + 2 \frac{3}{4} - 1 \frac{2}{5 } - 3 \frac{5}{4} [/tex]
[tex]4 \frac{1}{5} + 2 \frac{3}{4} - 1 \frac{2}{5 } - 3 \frac{5}{4} [/tex]
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Verified answer
4 1/5= 21/52 3/4= 11/4
1 2/5= 7/5
3 5/4= 17/4
21/5-7/5+11/4-17/4= 14/5-6/4=14/5-3/2= 14*2/10 - 3*5/10= 28/10-15/10= 13/10= 1 3/10