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4.4*57.8+45.3*5.6
=4.4*57.8+45.3*(10－4.4)
=4.4*57.8+45.3－45.3*4.4
=4.4*(57.8-45.3)+45.3
=4.4*12.5+45.3
=1.1*4*12.5+45.3
=1.1*50+45.3
=55+45.3
=100.3
=4.4*57.8+45.3*(10－4.4)
=4.4*57.8+45.3－45.3*4.4
=4.4*(57.8-45.3)+45.3
=4.4*12.5+45.3
=1.1*4*12.5+45.3
=1.1*50+45.3
=55+45.3
=100.3
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4.4*(57.8-45.3+45.3)+45.3*5.6=4.4*12.5+4.4*45.3+45.3*5.6=4.4*12.5+453=508
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=4.4X(45.3+12.5)+45.3X5.6
=4.4X45.3+4.4X12.5+45.3X5.6
=45.3X(4.4+5.6)+2.2X25
=453+55
=508
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=4.4X45.3+4.4X12.5+45.3X5.6
=45.3X(4.4+5.6)+2.2X25
=453+55
=508
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4.4*57.8+45.3*5.6
=4.4*57.8+45.3*(10－4.4)
=4.4*57.8+45.3－45.3*4.4
=4.4*(57.8-45.3)+45.3
=4.4*12.5+45.3
=1.1*4*12.5+45.3
=1.1*50+45.3
=55+45.3
=100.3
=4.4*57.8+45.3*(10－4.4)
=4.4*57.8+45.3－45.3*4.4
=4.4*(57.8-45.3)+45.3
=4.4*12.5+45.3
=1.1*4*12.5+45.3
=1.1*50+45.3
=55+45.3
=100.3
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=(45.3+12.5)*4.4+45.3*5.6
=45.3+(4.4+5.6)+12.5*4.4
=453+55
=508
=45.3+(4.4+5.6)+12.5*4.4
=453+55
=508
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