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(15.6-2.4)×0.8+4.32= 4.11-0.72×(3.38-2.13= (6.8-5.4)×2.75-0.9= 1÷0.25×(1.28÷3.2)= 4.78+0.22×20÷16= 31.7-0.5×0.7-1.65= 10-7.5×(6.4-5.9)= (2.95+10.58-1.53)÷0.25= 4.2×(6.18–3.03)+ 6.3= 2.7÷4 + 6.3×0.25=
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