Question

1) calcule - 34 + 23 - 65 2)resolva (-9)×(-41)
3)calcule -34+234-65-98
​

Answer 1

1) calcule - 34 + 23 - 65

-34 +23 -65

-11 + (-65)

76

2)resolva (-9)×(-41)

(-9) × (-41)

369

3)calcule -34+234-65-98=

​-34 +234 -65 -98

200 - 65 -98

135 -98

37