Question

a)100.30+70.100

b)100.123-123.100

Answer 1

a, 100.30+70.100

=100.(30+70)

=100.100

=10000

Answer 2

a)100.30+70.100

=100.(30+70)

=100.100

=10000

b)100.123-123.100

=100.(123-123)

=100.0

=0

kb nha

Answer 3

b, 100.123-123.100

=100.(123-123)

=100.0

=0

Answer 4

100.(30+70)

=100.100

=10000

chọn tớ nhé