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时间:2020-03-17
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1、34.85-11.73=75.80+59.35=64.39+40.78=67.23-19.17=50.10-48.60=91.91-75.10=53.73-31.75=64.48-14.42=39.03-14.98=22.04+80.13=28.36-24.00=61.83+69.95=65.36-38.06=29.37-18.02=42.09-32.46=18.08+34.00=47.63-31.59=17.42-10.44=16.24-14.18=55.89-28.75=0.32+1.57=9.25+2.25=9.23
2、+4.52=4.22+8.46=5.63+1.25=9.36-1.59=5.63-5.21=4.65-1.15=7.65-4.19=8.88-2.69=0.7+0.9=0.8+0.6=8.24+3.76=4.1-3.8=14+0.78=14.6-0.34=1.3+8.56=0.8-0.55=4-0.04=1-0.03=30.5+3.05=0.8-0.45=0.78+2.2=5-0.08=3.25+0.75=10-0.1=54.76-51.12=59.46+18.28=21.85+37.08=84.75+21.4=12.3+
3、23.8=12.9+45.6=1.23+6.52=5.32-0.93=4.26+8.21=6.35-5.23=1.26+5.21=0.96-0.23=7.26-4.93=2.16-0.23=9.28+7.32=5.2-0.9=2.65+9.32=4.63-8.92=7.65-6.23=8.28+4.75=9.23+5.45=6.23-4.53=6.52+2.63=4.62+8.95=7.24+6.21=8.52+4.65=197+486+3=0.66+7.85+0.15=8.025+3.1+12.175+0.9=4.13-
4、0.6-1.4=4.13-(4.13+1.4)=8.07-3.27-0.73-1.07=6.45-(1.68+2.45)=9.15+4.8-9.15+4.8=5.23+10.9-5.23+10.9=2.23-(1.23+0.86)=2.23-(1.23-0.86)=0.35×1.6+0.35×3.4=0.25×8.6×4=6.72-3.28-1.72=0.45+6.37+4.55=5.4+6.9×3-(25-2.5)=4.8×46+4.8×54=0.8+0.8×2.5=1.25×3.6×8×2.5-12.5×2.4=28×
5、12.5-12.5×20=23.65-(3.07+3.65)=4+0.4×0.25=8×7×1.25=1.65×99+1.65=27.85-(7.85+3.4)=48×1.25+50×1.25×0.2×8=7.8×9.9+0.78=(6.8-6.8×0.55)÷8.5=0.12×4.8÷0.12×4.8=(3.2×1.5+2.5)÷1.6=5.38+7.85-5.37=6.5×(4.8-1.2×4)=0.68×1.9+0.32×1.9=12×6÷7.2-6=102×4.5=7.8×6.9+2.2×6.9=5.6×0.25=
6、8×(20-1.25)=
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