30×0.6=3×0.32=1÷0.25=
4.2÷0.7=0.36÷2=15×6=
0.72÷0.09=0.12×5=30.6÷3=

解：

30×0.6=183×0.32=0.961÷0.25=4
4.2÷0.7=60.36÷2=0.1815×6=90
0.72÷0.09=80.12×5=0.630.6÷3=10.2

分析：根據(jù)數(shù)乘法和除法的計(jì)算法則進(jìn)行計(jì)算即可．
點(diǎn)評(píng)：此題考查了小數(shù)乘除法的計(jì)算法則的應(yīng)用，是簡(jiǎn)單的基礎(chǔ)題用口算即可．
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30×0.6=		 3×0.32= 1÷0.25=
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26.26÷26=		 4.57+6.43= 7.9×11-7.9= 3.14×32=
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4
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3
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3
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3
8
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1.8×4×0.5= 1.5-1.5×0.3= 5.7+4.3= 1-25%=
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4.7+2.3= 4.5×2= 6.9-2.5= 7.2×0.8=
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