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Exercise 2.1
Simplify the following.
1. 284 - (6 x 65 + 13 + 20 x 5 - 40)
2. {370 +37 (45 x 52 - 5 - 35 + 7)}
3. 84 x [69 - 7 x 6 - (12 = 3 x 8)}]
4. (34 + 66 of 29) + [ 19 - {385 = (30 = 6 x 7)}]
5. 580 - [ 18 of 1 ] - {16 x 14 + ( 270 = 9 - 38 + 68
Answers
Answered by
2
Answer:
-179
Step-by-step explanation:
= 284-(390+13+20x5-40)
= 284-(390+13+100-40)
= 284-463
= -179 ans
Answered by
1
Answer:
1 179
2 {370÷37(45×25÷5-35+7)}
= {370÷37(45×5-35+7)}
= {10 (45×5-35+7)}
= {10 (45×5-35+7)}
= {10 (225 - 35+7)}
= {10 (197)}
=1970
3 84*[69-{7*6-(4*8)}]. =84*[69-{7*6-32}] . =84*[69-{42-32}]. =84*[69-10]. =84*59. =4,956.
4
Step-by-step explanation:
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