.
1. 25 × 8 + 30 = ...
2. 58 × 3 ÷ 2 = ...
3. (90 + 90) ÷ 2 × 2 =
1. 25 × 8 + 30 = ...
2. 58 × 3 ÷ 2 = ...
3. (90 + 90) ÷ 2 × 2 =
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Verified answer
Jawaban:
1. 25 x 8 + 30 =
= 200 + 30
= 230
2. 58 x 3 ÷ 2 =
= 58 x 1,5
= 87
3. (90 + 90) ÷ 2 x 2 =
= 180 ÷ 2 x 2
= 90 × 2
= 180
Penjelasan dengan langkah-langkah:
langkah langkah penyelesaian
1. dalam kurung terlebih dahulu
2. pembagian
3. perkalian
4. penambahan dan pengurangan
25 × 8 + 30
= (25 × 8) + 30
= 200 + 30
= 230
58 × 3 ÷ 2
= (58 × 3) ÷ 2
= 174 ÷ 2
= 87
(90 + 90) ÷ 2 × 2
= (180 ÷ 2) × 2
= 90 × 2
= 90 + 90
= 180