0.36×42.3+0.423×67怎么简便计算?
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0.36×42.3+0.423×67
=42.3×(0.36+0.67)
=42.3×1.03
=43.569
=42.3×(0.36+0.67)
=42.3×1.03
=43.569
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0.36x42.3+0.423x67简便计算为:
=[(0.36x100)x(42.3/100)]+0.423x67
=(36x0.423)+0.423x67
=0.423x(36+64+3)
=0.423x100+0.423x3
=42.3+1.269
=42.469
=[(0.36x100)x(42.3/100)]+0.423x67
=(36x0.423)+0.423x67
=0.423x(36+64+3)
=0.423x100+0.423x3
=42.3+1.269
=42.469
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=0.36X42.3+42.3X0.67
=(0.36+0.67)X42.3
=43.569
=(0.36+0.67)X42.3
=43.569
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