(If Brainly app)
[tex]\bold{1.)} \: \: 5.747 + 8.079 =\boxed{\green{13.826}}\\\bold{2.)} \: \: 7.98 + 3.608 =\boxed{\green{11.588}}\\\bold{3.)} \: \: 12.561 + 10.157 =\boxed{\green{22.718}}\\\bold{4.)} \: \: 5.235 - 1.141 =\boxed{\green{4.094}}\\\bold{5.)} \: \: 80.25 - 19.645=\boxed{\green{60.605}}[/tex]
(If Brainly website)
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