Question

Gấp (-7).25+(-7).75

Answer 1

=-7x100=-700

Answer 2

(-7).25+(-7).75

= -7.(25+75)

= -7.100

= -700

Answer 3

\(\left(-7\right).25+\left(-7\right).75\)

\(=-7.\left(25+75\right)\)

\(=-7.100\)

\(=-700\)

Answer 4

-7x100=-700