Jawaban:

= 40 x 8 - 5 x 24
= 320 - 120
= 440

3.) 40 - 12 : (6 : 2)

Jawaban:

= 40 - 12 : (6 : 2)
= 40 - 12 : 3
= 40 - 4
= 36

4.) 36 + 6 x 8 : 12

Jawaban:

= 36 + 6 x 8 : 12
= 36 + 48 : 12
= 36 + 4
= 40

3. Mengisi [] dengan bilangan

Jawaban :

1.) 25 x 98 = 25 x ([100] - 2)
= 25 x [100] - 25 x 2
= [2.450]

2.) 105 x 6 = ([100] + 5) x 6
= [100] x 6 + 5 x [6]
= [630]

3.) 25 x 24 = 25 x [4] x 6
= [100] x 6
= 600

4.) 99 x 9 = ([100] - 1) x 9
= [100] x 9 - 1 x 9
= [891]

4. Menulis cerita matematika untuk kalimat matematika berikut.