1. VISUAL KITKAT DUOS 1.5K+1r=1K+2r EQUATION _ SOLVING BASIC EQUATIONS _ SOLVING BASIC WORD PROBLEMS
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  2. VISUAL KITKAT DUOS 2(3K)+2r=2(2K)+3r EQUATION _ SOLVING EQUATIONS _ SOLVING BASIC WORD PROBLEMS
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  3. VISUAL KITKAT DUOS 2(3K)+1r=1(4K)+2r EQUATION _ SOLVING EQUATIONS _ SOLVING BASIC WORD PROBLEMS
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  4. VISUAL KITKAT DUOS 2(3K)+1r=2(1K+1r) EQUATION _ SOLVING EQUATIONS _ SOLVING BASIC WORD PROBLEMS
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  5. VISUAL KITKAT DUOS 2b+1m=0.5b+1.5m EQUATION _ SOLVING BASIC EQUATIONS _ SOLVING BASIC WORD PROBLEMS
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