题文
2.25×4= 1.01﹣0.91= 1÷0.01= 
÷
= 
÷5.25=
+6.25= 0.74×100= 742+258= 7×
÷7×
= 10﹣3.2﹣5.8=
2.25×4= 1.01﹣0.91= 1÷0.01= ÷= ÷5.25=+6.25= 0.74×100= 742+258= 7×÷7×= 10﹣3.2﹣5.8=
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