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64X32+64X69-62简便算法?
157个回答
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64X32+64X69-62
=64X32+64X69-64+2
=64x(32+69-1)+2
=64x100+2
=6400+2
=6402
=64X32+64X69-64+2
=64x(32+69-1)+2
=64x100+2
=6400+2
=6402
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简便计算:
64X32+64X69-62
=64×(32+69)-62
=64×(100+1)-62
=64×100+64-62
=6400+2
=6402
64X32+64X69-62
=64×(32+69)-62
=64×(100+1)-62
=64×100+64-62
=6400+2
=6402
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64×32+64×69-62
=64×(32+69) -62
=64×101-62
=64×100+64×1-62
=6400+2
=6402
=64×(32+69) -62
=64×101-62
=64×100+64×1-62
=6400+2
=6402
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64X32+64X69-62简便算法
=64x(32+69)-62
=64x101-62
=64x100+(64-62)
=6400+2
=6402
=64x(32+69)-62
=64x101-62
=64x100+(64-62)
=6400+2
=6402
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64x32+64x69-62
=64x31+64+64x69-62
=64x(69+31)+2
=6400+2
=6402
=64x31+64+64x69-62
=64x(69+31)+2
=6400+2
=6402
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