14.76﹣5.76﹣ 4÷8×2
64× 6×5﹣3×2
13×+4×10 198÷198+
12.5×+3×1.25 +++
(3.7×5﹣4.7×3.7)÷ [0.3+(+□)×3]÷0.3=860
56× 18.75﹣(4.5﹣7.25)
3.6×31+3.14×64 132÷131
3×+4×+5×+6× 112×(24﹣4)÷2.4
(81.4+++)÷(++) 41.2×8.1+11×9+53.7×1.9
++++++ +++…+.
计算:
①3×(x+9)=27
②16×8﹣7x=23
③7.5﹣7.5×0.5﹣2.6×0.8
④13.7×6.5+5.9×13.7﹣12.4×3.7
⑤50×[(0.2+4.8﹣4.8+0.2)÷2]
⑥11.25+21.25+31.25+41.25+51.25+61.25+71.25+81.25.
试题篮
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