hard Set 1 Form Exercise
01
(5 + 2) × 3 = ?
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21

02
4 + 3 × 6 = ?
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22

03
x + 15 = 30, x = ?
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15

04
26 × 6 = ?
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156

05
4 × x = 28, x = ?
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7

06
(1 + 1) × 2 = ?
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4

07
GCF(15, 20) = ?
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5

08
5 + 3^2 = ?
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14

09
x + 2 = 11, x = ?
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9

10
x + 15 = 26, x = ?
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11

11
4.5 + 6.3 = ?
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10.8

12
539 ÷ 7 = ?
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77

13
3.2 + 6.0 = ?
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9.2

14
4 + 3 × 5 = ?
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19

15
8.3 - 1.8 = ?
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6.5

16
9 + 6 × 2 = ?
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21

17
2 + 2^2 = ?
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6

18
7.9 + 6.0 = ?
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13.9

19
616 ÷ 7 = ?
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88

20
3/3 + 1/3 = ?