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5.5+4.5= 6.2-5= × = 2.4÷0.2=
+ = 3×20= ÷ = 0.44×5=
1-0.92= - = ×3.2= ÷ ×5=
3.5+4.28= × = ÷ = 99×0.9+0.9=
进入组卷