Question

Efetue a√16+√9 e √16+9. B √225-√81√ e √225-81. c √121×√9 e √121×9. D √324÷√81 e √324÷81

Answer 1

a√16+√9= 4+3= 7
√16+9= 4+9= 13

B √225-√81√= 15- 9= 6
√225-81= 15-81= -66

c √121×√9= 11×3= 33
√121×9= 11×9=99
D √324÷√81= 18÷9=2
√324÷81=18÷81 = 0,222...