有理数计算题练习七年级数学试卷
日期:2010-07-19 07:12
七年级数学有理数计算题练习(要求:认真,18÷{1-[04+(1-04)]×049,88,56,99×2613,-42+5×(-4)2-(-1)51×(-)+(-2)÷(-2)25,78,79,2,66,30,3,4,72,43,42,73,–4+2×(-3)–6÷0257,35,48,21,8+(-)-5-(-025)12,–3-[4-(4-35×)]×[-2+(-3)]11,82,81,90,29,10022,80,(-3)÷(4-12)÷(-)×(-1)23,52,31,(—5)÷[185—(2—)×7]8,5,(—)÷(—16)÷(—2)6,(35-775-425)÷1114,+-4818,55,62,76,36,45,58,57,92,;16,38,87,33,40,67,93,69,63,91,86,27,71,68,49,50,83,89,85,61,46,准确率高)班级:95992006-10-311,+20,74,59,仔细,1÷(-)×10,15,54,77,70,60,-1×3-1×4-3×(-1)26,53,32,41,39,34,51,(-2)14×(-3)15×(-)1424,75,47,17,28,19,64,37,44,84,65,9,
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