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简介:
5.94-3.07=2.87 7.8+2.2= 200÷8=
3.09+1.76=4.85 7.6÷10= 0.63×10=
7.75-3.34=4.41 300÷15= 100÷25=
5.73-4.08=1.65 2.8-1.2= 20-19.7=
3.17+5.84=9.01 2.5×10= 4÷10=
2.14+6.75=8.89 0.81-0.19= 1-0.93=
3.21+6.16=9.37 5.6+99= 17÷1000=
7.2-3.94=3.26 90-0.9= 5×2=