脱式计算.
2+
×(0.6﹣0.25)
×
+
÷
8×6.5﹣148×0.65
×(
﹣
)+15%
×[
÷(
×
)]
脱式计算,能简算的要简算.
①1÷[
×(1﹣
)]②3.8×99+3.8③2700×(506﹣499)÷900
④
÷[
×(
﹣
)]⑤33.02﹣(148.4﹣90.85)÷2.5⑥
÷7+
×
.
脱式计算.(能简算的要写出简算过程)
14.5﹣(8.3﹣5.5)34×
+
56×(
﹣
)÷
3.8﹣1.9+7.2﹣8.1(
+
﹣
)×24
÷9+
×
.
灵活计算下面各题.
2﹣2÷3﹣
25×2.5×32
×(
+
)+0.8
5.02﹣1.37﹣2.6320%+
+80%﹣
.
计算下面各题.
①1.3﹣3.79+9.7﹣6.21 ②3.64÷4+4.36×25%
③÷[
+(1﹣
)]
④
+〔
÷(
+
)〕