用你喜欢的方法计算,要细心哦!
68.26﹣23.4﹣6.6+11.74(+
﹣
)×128.7×2.9+71×0.87
58×(
+
)÷
+
(0.75﹣
×(
+
)
计算下面各题.
(1)41×(2)12×(
+
﹣
)(3)375+450÷18×25
(4)(+
)÷
(5)8﹣6÷2.4(6)1.2×1.2+8.8×1.2.
能简算的要简算.
57.5﹣4.25﹣15.75÷[
×(
+
)]
×16.31﹣2.31÷
(54+)÷99.25×9.9+92.5%36÷[(
﹣
)×3].
3.125×(1.6+2)÷(2
﹣0.625)
×
×
+
×
×
+
×
×
+
+
(1﹣0.8)÷0.63﹣(
÷0.45﹣1
)
(3+1
×7)÷1
﹣1
67×+2
×3.75﹣4
×25%
789×788788﹣788×789789.
计算下面各题.
3+1.5÷2.5÷48﹣4.4×0.25120+600÷24×6÷
(
﹣
)×11×6
÷(
﹣
)÷
.