题目

We mustn't eat drink in the reading-room. A . but B . so C . and D . or 答案:D 直接写出得数.(1)200-200÷50= (2)25×4÷25×4= (3)56+44×0= (4)30-30÷5= (5)3m2-65dm2= (6)267+133-68= (7)2t-11501150kg=850kg; (8)1km2=38000m2+962000962000m2; (9)56+1616=1 (10)47+27=
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