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Please write these out on paper! Come back often... There will be different problems each time! Look at the very bottom for 3 by 3 subtraction!
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798154856169
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- 15 - 33 - 41 - 39 - 47 - 31
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825192986673
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- 27 - 27 - 18 - 15 - 37 - 29
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578185727652
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- 36 - 45 - 38 - 43 - 31 - 23
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968979667758
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- 45 - 23 - 31 - 38 - 33 - 25
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535366969859
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- 43 - 31 - 15 - 24 - 27 - 19
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