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Which two numbers (not digits) to interchange to make the equation correct

This type of question, asked 9 times: 24 Jul 2023 S4, 9 Sep 2024 S3, 10 Sep 2024 S2, 11 Sep 2024 S1, 12 Sep 2024 S3, 13 Sep 2024 S1, 18 Sep 2024 S3, 23 Sep 2024 S3, 25 Sep 2024 S2. All 10 questions below, oldest first.

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  1. Question 1

    24 Jul 2023 S4

    18
    Which of the following interchange of numbers would make the given equation correct? 5×15÷3+20−9=45 \times 15 \div 3 + 20 - 9 = 4

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  2. Question 2

    9 Sep 2024 S3

    7
    Which two numbers (not digits) should be interchanged to make the given equation correct? 24÷3−4×2+6×5+12=5024 \div 3 - 4 \times 2 + 6 \times 5 + 12 = 50

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  3. Question 3

    10 Sep 2024 S2

    10
    Which two numbers (not digits) should be interchanged to make the given equation correct? 116−92÷4+25×2−20=150116 - 92 \div 4 + 25 \times 2 - 20 = 150

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  4. Question 4

    10 Sep 2024 S2

    20
    Which two numbers (not digits) should be interchanged to make the given equation correct? 72−6+(18÷4)+17−(22×2)=4472 - 6 + (18 \div 4) + 17 - (22 \times 2) = 44

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  5. Question 5

    11 Sep 2024 S1

    1
    Which two numbers (not digits) should be interchanged to make the given equation correct? 48÷3+12×4−6×7+21=2748 \div 3 + 12 \times 4 - 6 \times 7 + 21 = 27

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  6. Question 6

    12 Sep 2024 S3

    4
    Which of the following interchanges of numbers (not digits) would make the given equation correct? 257−33÷11×13−2+364−56÷8×4−44=352^{57-33\div11\times13-2}+3^{64-56\div8\times4-44}=35

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  7. Question 7

    13 Sep 2024 S1

    2
    Which of the following interchanges of numbers (not digits) would make the given equation correct? 480÷0.3×5+500190+9×27÷1.6=2\frac{480 \div 0.3 \times 5 + 500}{190 + 9 \times 27 \div 1.6} = 2

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  8. Question 8

    18 Sep 2024 S3

    8
    Which two numbers (not digits) should be interchanged to make the given equation correct? 19+125÷25−100÷5+4×3=5219 + 125 \div 25 - 100 \div 5 + 4 \times 3 = 52

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  9. Question 9

    23 Sep 2024 S3

    16
    Which two numbers (not digits) should be interchanged to make the given equation correct? 6×3+8÷2+21+5×4−14÷7=536 \times 3 + 8 \div 2 + 21 + 5 \times 4 - 14 \div 7 = 53

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  10. Question 10

    25 Sep 2024 S2

    22
    Which two numbers (not digits) should be interchanged to make the given equation correct? 15+5×8−72÷4+16×3=10115 + 5 \times 8 - 72 \div 4 + 16 \times 3 = 101

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