Tentukan hasil 0,4 × (3-1 1/3)÷2/5​

Jawaban:

0,4 × ( 3 — 1 1/3 ) : 2/5

= 4/10 × ( 3/1 – 4/3 ) × 5/2

= 4/10 × ( 9/3 – 4/3 ) × 5/2

= 4/10 × 5/3 × 5/2

= 20/30 × 5/2

= 100/60

= 1 40/60

disederhanakan

= 1 40/60 : 20/20

= 1 2/3

Jawaban : 1 2/3

Jawab:

0,4 + (3 – 2 ⅓) ÷ 2/5

=4/10 + (1 ⅓) ÷ 2/5

=2/5 + 4/3 × 5/2

=2/5 + 20/6

=2/5 + 10/3

=6/15 + 50/15

=56/15

=3 11/15

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