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
()