计算,能简算的要简算
45×0.25+×17+25%×38 6.62×45+3.38÷
[1.18﹣1.18×(1﹣1.7)]÷(16﹣5) [10﹣(4+1×2)]÷2.
用简便方法计算:
1.29+3.7+0.71+6.3 528×78+472×78 46.5×99+46.5
125×89×8 12.37﹣5.32﹣4.68 12.5×(0.8+8)
直接写出得数.
①2.5×3.5×0.4= ②25.78﹣14.2﹣5.78= ③9﹣9÷11= ④8×12.5%=
⑤99×99= ⑥12×(+)= ⑦1﹣1÷9= ⑧=
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(写出计算过程,能简算的要简算)
2﹣(6÷0.5﹣3×3)÷5+5×0.8 4×(+﹣)÷
1.25×3.45×6.789+3.75×1.15×1.211 .
38.5×7.4+38.5×2.6 92.85﹣12.65﹣7.65+7.15 800﹣7.06×99﹣7.06
(48.5﹣15)×4.5+66.4×4.5 2004× (+)×15×17.
试题篮
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