Question

вычислите - 42,71- 2 целых 4/9-(-6,53)-(-42,71)- 1 целая 5/9

Answer 1

$- 42,71- 2 frac{4}{9} -(-6,53)-(-42,71)-1 frac{5}{9} =$ $- 42,71- 2 frac{4}{9} +6,53+42,71-1 frac{5}{9} =- 2 frac{4}{9} +6,53-1 frac{5}{9} =6,53-4=$$2,53$