7.63×5.4+2.37×5.4-12.5×5.35×0.8计算?
3个回答
2022-07-09
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7.63*5.4+2.37*5.4-12.5*5.35*0.8
=5.4*(7.63+2.37)-(12.5*0.8)*5.35
=5.4*10-10*5.35
=54-53.5
=0.5
=5.4*(7.63+2.37)-(12.5*0.8)*5.35
=5.4*10-10*5.35
=54-53.5
=0.5
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展开全部
7.63×5.4+2.37×5.4-12.5×5.35×0.8
=5.4×(7.63+2.37)-12.5×0.8×5.35
=5.4×10-10×5.35
=10×(5.4-5.35)
=10×0.05
=0.5
=5.4×(7.63+2.37)-12.5×0.8×5.35
=5.4×10-10×5.35
=10×(5.4-5.35)
=10×0.05
=0.5
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