tentukan nilai dari operasi hitung berikut 1.45+56×48-216:9 2.15762:37-512+96×72 3.19×27+5205:15-269 4.(-9)-6×(-72):16-20 tolong dijawab pakek jalan ya... bsok

1. 45 + 56 × 48 - 216 ÷ 9

45 + 2.688 - 24

2.733 - 24

2.709


2. 15.762 ÷ 37 - 512 + 96 × 72

426 - 512 + 6.912

(-86) + 6.912

6.826


3. 19 × 27 + 5.205 ÷ 15 - 269

513 + 347 - 269

860 - 269

591


4. (-9) - 6 × (-72) ÷ 16 - 20

(-9) - (-432) ÷ 16 - 20

(-9) - (-27) - 20

(-9) + 27 - 20

18 - 20

(-2)