如何用简便计算来计算5.67×0.69+5点67×0.11+0点8×4.33?
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5.67×0.69+5.67×0.11+0.8×4.33
=5.67×(0.69+0.11)+0.8×4.33
=5.67×0.8+0.8×4.33
=0.8×(5.67+4.33)
=0.8×10
=8
=5.67×(0.69+0.11)+0.8×4.33
=5.67×0.8+0.8×4.33
=0.8×(5.67+4.33)
=0.8×10
=8
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5.67×0.69+5.67×0.11+0.8×4.33
=5.67×(0.69+0.11)+0.8×4.33
=5.67×0.8+0.8×4.33
=0.8×(4.33+5.67)
=0.8×10
=8
=5.67×(0.69+0.11)+0.8×4.33
=5.67×0.8+0.8×4.33
=0.8×(4.33+5.67)
=0.8×10
=8
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5.67x0.69+5.67x0.11+0.8x4.33
=5.67x(0.69+0.11)+0.8x4.33
=5.67x0.8+0.8x4.33
=(5.67+4.33)x0.8
=10x0.8
=8
=5.67x(0.69+0.11)+0.8x4.33
=5.67x0.8+0.8x4.33
=(5.67+4.33)x0.8
=10x0.8
=8
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解:5.67ⅹ0.69+5.67ⅹ0.11+0.8x4.33
=5.67x(0.69+0.11)+0.8x4.33
=5.67x0.8+0.8x4.33
=0.8x(5.67+4.33)
=0.8ⅹ10
=8
=5.67x(0.69+0.11)+0.8x4.33
=5.67x0.8+0.8x4.33
=0.8x(5.67+4.33)
=0.8ⅹ10
=8
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5.67*0.69+5.67*0.11+0.8*4.33
=5.67*(0.69+0.11)+0.8*4.33
=5.67*0.8+0.8*4.33
=0.8*(5.67+4.33)
=0.8*10
=8
=5.67*(0.69+0.11)+0.8*4.33
=5.67*0.8+0.8*4.33
=0.8*(5.67+4.33)
=0.8*10
=8
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