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2021-08-19 · 知道合伙人教育行家
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(3+17/50)×3.95÷0.1-(33+2/5)÷(2+2/9)
=167/50×3.95×10-167/5×9/20
=167/50×79/2-(167×9)/100
=(167×79)/100-(167×9)/100
=(167×79-167×9)/100
=(167×70)/100
=1169/10
=116.9
=167/50×3.95×10-167/5×9/20
=167/50×79/2-(167×9)/100
=(167×79)/100-(167×9)/100
=(167×79-167×9)/100
=(167×70)/100
=1169/10
=116.9
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(3+17/50)×3.95÷0.1-(33+2/5)÷(2+2/9)
=(150/50+17/50)×3.95×10-(165/5+2/5)÷(18/9+2/9)
=167/50×3.95×10-167/5÷20/9
=167/50×3.95×10-167/5×9/20
=167/50×79/2-(167×9)/100
=(167×79)/100-(167×9)/100
=(167×79-167×9)/100
=(167×70)/100
=1169/10
=116.9
=(150/50+17/50)×3.95×10-(165/5+2/5)÷(18/9+2/9)
=167/50×3.95×10-167/5÷20/9
=167/50×3.95×10-167/5×9/20
=167/50×79/2-(167×9)/100
=(167×79)/100-(167×9)/100
=(167×79-167×9)/100
=(167×70)/100
=1169/10
=116.9
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原式=(3+17/50)×39.5-(33+2/5)×9/20
=3.34×39.5-33.4×0.45
=3.34×(39.5-4.5)
=3.34×35
=3.34×40-3.34×5
=116.9
=3.34×39.5-33.4×0.45
=3.34×(39.5-4.5)
=3.34×35
=3.34×40-3.34×5
=116.9
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