填表.
2222×17+3333×4+6666×9 7.68﹣3.56+2.32﹣5.44 1.25×3.2×0.25 (0.625×6.8+0.625×4.2﹣0.625)÷0.625 300÷0.125÷0.8 4000﹣1﹣2﹣3﹣…﹣77﹣78.
直接写出下面各题的得数: (1)175%+=(2)10÷10%=(3)﹣÷4=(4)+×= (5)1×+÷=(6)=(7)(9.9+)÷0.9=(8)0.9+99×0.9= (9)×÷×=(10)(9.3×﹣7.3)÷=
计算(能简算的要简算) 7.24×0.1+0.5×72.4+0.049×724+++ 2012÷2012 (3+÷+3)﹣(7×÷7×)
计算(写出计算过程,能简算的要简算) 2﹣(6÷0.5﹣3×3)÷5+5×0.84×(+﹣)÷ 1.25×3.45×6.789+3.75×1.15×1.211.
38.5×7.4+38.5×2.692.85﹣12.65﹣7.65+7.15800﹣7.06×99﹣7.06 (48.5﹣15)×4.5+66.4×4.52004×(+)×15×17.