3.2+4.8= 6.3-0.94= 0.25×4= 5×1.2=
4.8÷0.6= 4.8÷24= 3.6-2.4= 6-4.6=
8-3.4= 6×0.21= 1.25×8= 0.8÷0.5=
25×0.3= 0.63-0.3= 2.5+7.5= 34×0.1=
7-0.99= 21÷0.7= 5×2.4= 3×1.03=
3.2÷4= 1.5÷30= 5.1÷3= 0.37÷0.37=
0.28÷14= 0.16÷4= 8×0.05= 4×0.125=
4÷8= 7.5-0.7= 9-0.9= 7÷2=
2.8÷0.7= 21-0.21= 5÷0.01= 2.8×0=
7÷0.07= 6.3÷0.5= 0.32÷0.8= 1÷0.25=
0.25×0.4= 30×2.3= 3.6÷1.2= 2.5+1.2=
3.5×0.2= 9÷0.45= 0.96÷0.16= 4.8-2.9=
0.5÷0.25= 7.6+2.4= 0.17×0.4= 8.2×0.01=
1.72-0.73= 0.46÷2= 1.9×0.8= 1.2×0.3=
1-0.92= 0.16×0.7= 0.56÷0.16= 8÷0.6=
分析:本題據(jù)小數(shù)的加法、減法、乘法、除法的運(yùn)算法則計(jì)算即可.
解答:解:
3.2+4.8=8 6.3-0.94=5.36 0.25×4=1 5×1.2=6
4.8÷0.6=8 4.8÷24=0.2 3.6-2.4=1.2 6-4.6=1.4
8-3.4=4.6 6×0.21=1.26 1.25×8=10 0.8÷0.5=1.6
25×0.3=7.5 0.63-0.3=0.33 2.5+7.5=10 34×0.1=3.4
7-0.99=6.01 21÷0.7=30 5×2.4=12 3×1.03=3.09
3.2÷4=0.8 1.5÷30=0.05 5.1÷3=1.7 0.37÷0.37=1
0.28÷14=0.02 0.16÷4=0.04 8×0.05=0.4 4×0.125=0.5
4÷8=0.5 7.5-0.7=6.8 9-0.9=8.1 7÷2=3.5
2.8÷0.7=4 21-0.21=20.79 5÷0.01=500 2.8×0=0
7÷0.07=100 6.3÷0.5=12.6 0.32÷0.8=0.4 1÷0.25=4
0.25×0.4=0.1 30×2.3=69 3.6÷1.2=3 2.5+1.2=3.7
3.5×0.2=0.7 9÷0.45=20 0.96÷0.16=6 4.8-2.9=1.9
0.5÷0.25=2 7.6+2.4=10 0.17×0.4=0.068 8.2×0.01=0.082
1.72-0.73=0.99 0.46÷2=0.23 1.9×0.8=1.52 1.2×0.3=0.36
1-0.92=0.08 0.16×0.7=0.112 0.56÷0.16=3.5 8÷0.6=13.
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3
點(diǎn)評(píng):本題考查了學(xué)生運(yùn)用計(jì)算法則進(jìn)行口算小數(shù)算式的能力.
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