Question

tính   61 - ( - 25 ) + 7 - 8 + 61

Answer 1

\(61-\left(-25\right)+7-8+61\)

\(=\left(61+25\right)+7-8+61\)

\(=86+7-8+61\)

\(=93-8+61\)

\(=85+61=146\)

Answer 2

61- (-25)+7-8+61

= (61 +61) +25+7-8

=122+25+7-8

=146

Answer 3

61−(−25)+7−8+61

=(61+25)+7−8+61

=86+7−8+61

=93−8+61

=85+61=146