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3.6×0.6+
35
×5.4+60%
分析:把分数和百分数化为小数,运用乘法分配律简算.
解答:解:3.6×0.6+
3
5
×5.4+60%
=3.6×0.6+0.6×5.4+0.6
=0.6×(3.6+5.4+1)
=0.6×10
=6.
点评:注意观察题目中数字构成的特点和规律,善于灵活运用运算定律,巧妙解答.
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3.24÷0.8= 13×1.1= 5.46÷3= 4.07×3=
5.28t-1.99t= 0.6+89= 5.7×0.1= 1.6÷0.4=
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4.2-2.8= 7.2÷1.6= 19.8+3.2= 18-17.45=
4.5+1.5= 0.75x+0.25x= 2.5×4= 0.46÷2=
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0.42×0.5= 0.76+1.24= 3.06-0.72= 0.51÷17=
5.2÷13= 8.2×0.01= 1.72-0.73= 1.6×0.4=
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4.7+2.3= 4.5×2= 6.9-2.5= 7.2×0.8=
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0.56÷0.04=1.44÷2=24.6÷0.6=4.5÷0.15=
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4.7+2.3=4.5×2=6.9-2.5=7.2×0.8=
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7.2×0.1=0.01×0.1=0.25×0.4=1.6÷0.8=
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0.22×102=9.6÷0.8=5×0.24=4.5-0.05=
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2.3×100=0.75×100=0.108÷2=10.8÷9=
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12÷0.5=5.2×0.4=12.2÷0.2=5.6÷100=
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1.75+32.5=16-5.07=5.2÷13=1.64÷41=
1.02×0.2=0.26×0.3=8.4×0.02=1.29×6=
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0.8×0.13=0.34÷17=8.08÷0.4=0.5×2.2=
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0.48÷0.04=1.25÷2.5=5.5+55=16.8÷8=
0.54+2.2=3.5-0.05=2÷0.02=0.25×40=
1.5×0.6=0.32÷0.8=12.25÷0.5=73.5×0.1=
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