Q.
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1. 17 + 38 - 21 = ???
2. 25 × 5 + 189 = ???
3. 67 + 22 ÷ 2 = ???
4. 88 ÷ 4 + 45 = ???
5. 37 - 16 × 7 = ???
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NOTE
Knock knock
---
1. 17 + 38 - 21 = ???
2. 25 × 5 + 189 = ???
3. 67 + 22 ÷ 2 = ???
4. 88 ÷ 4 + 45 = ???
5. 37 - 16 × 7 = ???
---
NOTE
Knock knock
Penjelasan dengan langkah-langkah:
1. 17+38-21
= 55-21
= 34
2. (25×5)+189
= 125+189
= 314
3. 67+(22÷2)
=67+11
= 78
4. (88÷4)+45
= 22+45
= 67
5. 37-(16×7)
= 37-112
= -75
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