4310-635:127×2000=.... -345:69×450+2025=.... -2478:59-(38790+9160):50=...

semoga bisa membantu:)

4310-635:127x2000
=4310-(635:127)x2000
=4310-(5x2000)
=4310-10000
= -5690

(-345:69)x450+2025
=(-5x450)+2025
=-2250+2025
= -225

-2478:59-(38790+9160):50=...
= -2478:59-47950:50
= -42-959
= -1001