题目内容

1.8+0.5=2.5-0.1=4.8-0.2=74+71=
48+10=24÷12=68÷0.68=94.7÷0.1=
61.8÷0.6=0.8×6.7=3÷8=0.12×3=
32=8.2-2.8=3.5÷0.7=数学公式=
数学公式=数学公式=5.3+0.5=46+18=
8.5-1.5=69+10=28.8+0.4=40.5÷0.5=
92.7÷0.3=0.5×1.3=16×0.5=4.4+0.1=
6.1-0.1=3.3+0.6=33.2÷0.4=1÷0.25=
1.5×4=6.5+1.35=1.3-1.2=数学公式=
数学公式=数学公式=5.7-1.7=0.35+0.75=
0.2×1.1=1.6÷0.4=10÷4=3.4÷0.2=
52÷13=57÷19=3.7-0.8=29+92=
8.2+0.7=6.5-5.6=4.8÷0.3=33=
1.25×8=数学公式=数学公式=数学公式=
2.1÷0.3=3.2×3=2.8-1.8=0.9×6.2=

解:
1.8+0.5=2.3,2.5-0.1=2.4,4.8-0.2=4.6,74+71=145,
48+10=58,24÷12=2,68÷0.68=100,94.7÷0.1=947,
61.8÷0.6=103,0.8×6.7=5.36,3÷8=0.375,0.12×3=0.36,
32=9,8.2-2.8=5.43.5÷0.7=5,=
==5.3+0.5=5.8,46+18=64,
8.5-1.5=7,69+10=79,28.8+0.4=29.2,40.5÷0.5=81,
92.7÷0.3=309,0.5×1.3=0.65,16×0.5=8,4.4+0.1=4.5,
6.1-0.1=6,3.3+0.6=3.9,33.2÷0.4=83,1÷0.25=4,
1.5×4=6,6.5+1.35=7.85,1.3-1.2=0.1,=
==5.7-1.7=4,0.35+0.75=1.1,
0.2×1.1=0.22,1.6÷0.4=4,10÷4=2.5,3.4÷0.2=17,
52÷13=4,57÷19=3,3.7-0.8=2.9,29+92=121,
8.2+0.7=8.9,6.5-5.6=0.9,4.8÷0.3=16,33=27,
1.25×8=10,===
2.1÷0.3=7,3.2×3=9.6,2.8-1.8=1,0.9×6.2=5.58.
故答案为:2.3,2.4,4.6,145,58,2,100,947,103,5.36,0.375,0.36,9,5.4,5,,5.6,64,7,79,29.2,81,309,0.65,8,4.5,6,3.9,83,4,6,7.85,0.1,,4,1.1,0.22,4,2.5,17,4,3,2.9,121,8.9,0.9,16,27,10,,7,9.6,1,5.58.
分析:根据整数、分数、小数的加减乘除计算的方法进行计算,能简算的要简算.
点评:计算时,要灵活运用所学的知识,快速准确的进行计算.
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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=
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8×1.25= 5.6÷3.5= 4.2÷0.7÷6= 0.4×8.6×25=
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