用递等式计算.(写出必要的计算过程,能简便的用简便方法计算)
(9.4﹣5.8)×2.0712.54﹣4.56﹣3.44﹣1.54
(9.36×5+9.36+9.36×2)×1.257.236÷0.18﹣14.3×0.02.
用简便方法计算.
8﹣4.9﹣5.16.75﹣(0.9+3.75)
34+1.8+3.66+0.20.96﹣0.28+0.04﹣0.72.
选用合适的方法计算:
6.02+3.6+1.981.29+3.7+2.71+6.33.07﹣0.38﹣1.62
3.25+1.79﹣0.59+1.75 7.5+4.9﹣6.114.8+7.9﹣4.8.
递等式计算,能简算的要简算
0.8﹣×
(
+
﹣
)×3272×
(
﹣
+
)÷
×
×13×11.
脱式计算,能简便的要简便计算.
12÷×
÷7+
×
×34×7×
+
×
+
+
+
×4÷
×4.