Question

calculeaza:15+7×[243-15×(6+2×5)]-70÷2=

Answer 1

=15+7x(243-15x16)-35

=15+7x(243-240)-35

=15+7x3-35

=15+21-35

=1

Answer 2

15 + 7 × [ 243 - 15 × ( 6 + 2 × 5 ) ] - 70 : 2= 1

= 15 + 7 × [ 243 - 15 × ( 6 + 10 ) ] - 35 =

= 15 + 7 × ( 243 - 15 × 16 ) - 35 =

= 15 + 7 × ( 243 - 240 ) - 35 =

= 15 + 7 × 3 - 35 =

= 15 + 21 - 35 =

= 36 - 35 =

= 1