Hitunglah bilangan bulat di bawah ini. dengan caranya

1) 278×20-640÷(-8)=

5.560 + 80

5.640

2) 750-268×(-4)+184÷(-8) =

750 + 1.072 -23

1.822 – 23

1.799

Jawaban:

1. 278 x 20 – 640 : ( -8 )

= ( 278 x 20 ) – ( 640 : ( -8 )

= 5560 + 80

= 5.640

2. 750-268×(-4)+184÷(-8)

= 750 – ( 268 x ( -4 ) ) + ( 184 : ( -8 )

= 750 – ( – 1072 ) – 23

= 750 + 1072 – 23

= 1799