Question

Вычисли. 14сm+5cm 43cm+6cm. 81cm+7cm 34cm- 4cm 57cm -2cm 99cm-9cm

Answer 1

14 cm + 5 cm = 19 cm

43 cm + 6 cm = 49 cm

81 cm + 7 cm = 88 cm

34 cm - 4 cm = 30 cm

57 cm - 2 cm = 55 cm

99 cm - 9 cm = 90 cm

Answer 2

Ответ:

$14cm + 5cm = 19cm \\ 81cm + 7cm = 88cm \\ 57cm - 2m = 55cm \\ 43cm + 6cm = 49cm \\ 34cm - 4cm = 30cm \\ 99cm - 9cm = 90cm$