5.8×2.7+5.8×7.3=□×(□+□),這應(yīng)用了乘法
乘法分配
乘法分配
律.
分析:5.8×2.7+5.8×7.3,此題加號兩邊的乘法算式中有一個同樣的因數(shù)是5.8,符合乘法分配律,應(yīng)用乘法分配律進行簡算.
解答:解:5.8×2.7+5.8×7.3=5.8×(2.7+7.3),這是應(yīng)用了乘法分配律.
故答案為:5.8,2.7,7.3,乘法分配.
點評:此題屬于考查乘法分配律的反用.
練習(xí)冊系列答案
相關(guān)習(xí)題

科目:小學(xué)數(shù)學(xué) 來源: 題型:

1.23÷3= 0.8×11= 1-0.75=
1.7×0.4= 0.36÷12= 1.6+0.38=
1.2÷0.3= 0.75×4= 15×0.4=
2.14-0.9= 4×0.25= 10÷2.5=
0.4×52= 1.6×0.4= 9.6÷6=
4.3-0.4= 7-6.2= 0.86-0.3=
8.8÷2.2= 2.6÷0.2= 0.15×3=
0.9÷0.45= 0.27÷3= 0.51+1.7=
0.6÷0.5= 0.125×8= 0.38×1000=
6.8-1.7= 2.4×0.2= 32.8+19=
0.56÷14= 1÷0.05= 6÷12=
0.14×5= 3×1.4= 4.9÷0.7=
0.4÷8= 6.3+3.7= 3.5×0.2=
0.2×12.6×5= 8.4÷4.2= 2.4×0.5=
0÷3.5×0.2= 0×9.7+2.3= 1.6×9+1.6=
3.8+1.2= 4.8÷0.3= 530+270=
7.6÷3.8= 92÷2.3= 9.6-1.6=
7.2+2.8= 2.63+0.37= 0.67+1.24=
0.3×101=
 
0.25×8=
 
16÷1.6=
 
26.1-3.5-7.5=
 
   

查看答案和解析>>

科目:小學(xué)數(shù)學(xué) 來源: 題型:閱讀理解

4.7+2.3= 4.5×2= 6.9-2.5= 7.2×0.8=
6×3.4= 0.62-0.32= 1.4×0.5= 0.75×100=
0.02×0.5= 3.6÷0.3= 6.3÷7= 5.6÷100=
0.75÷0.25= 0.125×8= 4.8÷0.3= 0.96÷2=
0.56÷28= 0.36÷0.4= 0.64÷0.8= 0.72÷3.6=
3.6÷24= 0.8×1.1= 7.2+12.8= 46.7-3.8=
12.8÷4= 5.2÷13= 12.5÷5= 1.64÷41=
10÷20= 24÷15= 8.65×10= 0.35×0.6=
3.08×0.01= 4.95×1000= 6.9×0.1= 0.4×0.5=
2.4÷0.8= 10.8÷9= 9.6÷0.8= 0.108÷2=
4.95÷0.9= 9.65÷0.1= 0.325×100= 2.5×8=
0.56÷0.7= 0.125×4= 3.28×0.1= 3.9÷0.13=
7.2×0.1= 0.01×0.1= 0.25×0.4= 1.6÷0.8=
1÷2.5= 1.25×0.8= 3.2÷0.04= 0÷1.7=
0.22×102= 9.6÷0.8= 5×0.24= 4.5-0.05=
3.9÷0.13 16.5÷0.5= 5×0.12= 24×0.5=
4.8×0.5= 2.8+4.2= 0.84÷2.1= 5÷0.25=
7.8÷0.01= 5.4÷0.6= 3.2÷5= 7×0.62=
0.56÷0.8= 7.4-2.8= 0.18÷0.2= 0.16÷8=
4.5×0.02= 8+7.2= 1.2×30= 0.012×0.2=
7.3×0.3= 9÷6= 3.6÷0.12= 7.8÷0.6=
2÷5= 4.5+5= 0.3÷0.6= 0.96÷0.2=
10.5×0.4= 7.3+0.27= 8×0.125= 0.54÷0.6=
0.61+0.39= 0.56÷28= 10÷20= 4.08÷0.4=
11-9.4= 0.8×0.11= 0.72+12.8= 5.6÷0.01=
2.3×100= 0.75×100= 0.108÷2= 10.8÷9=
0.7÷0.8= 16-5.07= 4.2×0.4= 0.72×6=
12÷0.5= 5.2×0.4= 12.2÷0.2= 5.6÷100=
0.41+3.7= 0.02×0.5= 7.2-0.8= 1.4×0.5=
84÷0.21= 0.75÷0.25= 2.5×16= 0.108÷2=
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=
0.8×0.05= 12.6÷0.03= 8.71÷0.1= 21÷0.21=
0.8×0.13= 0.34÷17= 8.08÷0.4= 0.5×2.2=
1.24÷4= 3.27+0.63= 5.02×0.3= 0.3×0.5=
6.4÷4= 7.2÷1.8= 0.7÷0.35= 0.72÷1.44=
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=
46.5+52.5= 0.45×102= 1.25×88= 2.64+3.85+1.54=
8×1.25= 5.6÷3.5= 4.2÷0.7÷6= 0.4×8.6×25=
0.27÷0.3= 2.5×101= 0.65×101-0.65= 2.6×7÷2.6×7=

查看答案和解析>>

科目:小學(xué)數(shù)學(xué) 來源: 題型:解答題

1.23÷3=0.8×11=1-0.75=
1.7×0.4=0.36÷12=1.6+0.38=
1.2÷0.3=0.75×4=15×0.4=
2.14-0.9=4×0.25=10÷2.5=
0.4×52=1.6×0.4=9.6÷6=
4.3-0.4=7-6.2=0.86-0.3=
8.8÷2.2=2.6÷0.2=0.15×3=
0.9÷0.45=0.27÷3=0.51+1.7=
0.6÷0.5=0.125×8=0.38×1000=
6.8-1.7=2.4×0.2=32.8+19=
0.56÷14=1÷0.05=6÷12=
0.14×5=3×1.4=4.9÷0.7=
0.4÷8=6.3+3.7=3.5×0.2=
0.2×12.6×5=8.4÷4.2=2.4×0.5=
0÷3.5×0.2=0×9.7+2.3=1.6×9+1.6=
3.8+1.2=4.8÷0.3=530+270=
7.6÷3.8=92÷2.3=9.6-1.6=
7.2+2.8=2.63+0.37=0.67+1.24=
0.3×101=
0.25×8=
16÷1.6=
26.1-3.5-7.5=

查看答案和解析>>

科目:小學(xué)數(shù)學(xué) 來源:期中題 題型:口算題

看誰算得又對又快。
72-27= 63÷7= 25÷5= 45÷9=
4×8= 2×7= 5×8= 15÷3=
600+300= 500-200= 1000-800= 400+500=
270-70= 360+40= 580-500= 500+50=

查看答案和解析>>

同步練習(xí)冊答案