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Chapter 3 Addition and Subtraction
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7
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335
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a) 260 b) 797
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800 - 425 = 375 mangoes. 375 - 232 = 143 strawberries
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a) 70 b) 73
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a) 26, b) 68, c) 57, d) 69, e) 23
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707 + 232 – 186 = 753
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D (748)
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a) 938 b) 1238
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419
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a) even (odd + odd) b) even (even - even)
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smiley: 237 - 162 = 75, heart: 598 + 75 = 673, moon: 791 - 673 = 118
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908
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a) 38, b) 73, c) 70, d) 95, e) 19
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A (613)
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odd + 823, 451 - odd, 654 - odd
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