Pages 27–30
Mixed Review I
Identify the right idea without being told which tactic to use.
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Puzzles 27.1–30.11
27.127.227.327.427.527.627.827.927.1027.1127.1228.128.228.328.428.528.628.728.828.928.1028.1128.1229.129.229.329.429.529.629.729.829.929.1029.1129.1230.130.230.330.430.530.630.730.830.1030.11
First tryAfter retryNot solvedNot attempted