7+7÷7+77×7-7 jangan kekecoh ya kak​

7 + 7 ÷ 7 + 77 × 7 – 7 = 534

cara Penyelesaian :

= ( 7 + 7 ) ÷ 7 + 77 × 7 – 7

= ( 14 ÷ 7 ) + 77 × 7 – 7

= ( 2 + 77 ) × 7 – 7

= ( 79 × 7 ) – 7

= 541 – 7

= 534