Question

1.850-248:(-4)=
2.4.572+(-105)×16=
3.492+(-171):9×328-1.872=
4.luas persegi dengan panjang rusuk 45 cm adalah=…
(pakai cara ya teman thanks)

Answer 1

1. 850-248:(-4)
= 850-(-62)
= 850+62
= 912

2. 4.572+(-105)×16
= 4.572+(-735)
= 3.837

3.402+(-171):9×328-1.872
= 3.402+(-19)×328-1.872
= 3.402+(-6.332)
= 9.734

4. rusuk: 45 cm
L = rusuk × rusuk
= 45 cm × 45 cm
= 2.025 cm²