Question

7ц×2/3+7ц×1/2+7ц×5/6
помогите решить

Answer 1

=14/3+7/2+35/6=4ц2/3+3ц1/2+5ц5/6=4ц4/6+3ц3/6+5ц5/6=14

Answer 2

7 × ( 2/3 + 1/2 + 5/6 ) = 7 × ( 4/6 + 3/6 + 5/6 ) = 7 × 12/6 = 7 × 2 = 14