0.33×0.98+0.66×0.01的简便运算？
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解：
0.33×0.98+0.66×0.01
＝0.33×0.98+0.33×2×0.01
＝0.33×0.98+0.33×0.02
＝0.33×（0.98+0.02）
＝0.33×1
＝0.33
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0.33×0.98+0.66×0.01的简便运算
=0.33×(0.98+2×0.01).
=0.33×1.
=0.33,
=0.33×(0.98+2×0.01).
=0.33×1.
=0.33,
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0.33×0.98+0.66×0.01
=0.33×0.98+0.33×0.02
=0.33×(0.98+0.02)
=0.33
=0.33×0.98+0.33×0.02
=0.33×(0.98+0.02)
=0.33
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0.33×0.98+0.66×0.01
=0.33×0.98+0.33×2×0.01
=0.33×0.98+0.33×0.02
=0.33×（0.98+0.02）
=0.33×1
=0.33
=0.33×0.98+0.33×2×0.01
=0.33×0.98+0.33×0.02
=0.33×（0.98+0.02）
=0.33×1
=0.33
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0.33×0.98+0.66×0.01
=0.33×0.98+0.33×2×0.01
=0.33×(0.98+2×0.01)
=0.33×1
=0.33
=0.33×0.98+0.33×2×0.01
=0.33×(0.98+2×0.01)
=0.33×1
=0.33
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