bantu jawab ya teman teman menggunakan cara:)

a. = 75 - 30 = 45
b. = -84 + 8 = -76
c. = 5 - (-28) = 5 + 28 = 33
d. = ?

1. 5×(15-6)=5×(9)=5×9=45
2. 12×(-7)+(-16): (-2)= -84+8= -76
3. -15:(-3)-7×(-4)=5+28=33
4. [1+2:3×4] × [9×7(7-8):(6+5)]
=[0,16] × [-5,72] =0,9152