计算下面各题，能用简便方法的要用简便方法计算．
（1）9.78×2.3+2.3×10.22 （2）1.5×11﹣7.83+3.5
（3）7.25÷（31﹣29.55）×1.3 （4）75.6÷[0.7×（8.5﹣7.6）]．
相关试题
计算下面各题，能用简便方法的要用简便方法计算．
（1）9.78×2.3+2.3×10.22 （2）1.5×11﹣7.83+3.5
（3）7.25÷（31﹣29.55）×1.3 （4）75.6÷[0.7×（8.5﹣7.6）]．
+
×0=
=
÷
+0.75×8=
÷
1÷
×
+
×0 7×
÷7×
= 0.98÷7=
﹣
=
+
）÷8= 28×
×0= 701﹣2.32= 1﹣
=
×4=
÷
=
+
=
×
=
= 0.625+
= 98×101= 18×
=
÷15= 9.25×0.125+
×
=
÷3= 4.2÷0.07= 11×
=
= 7.2×
= 8﹣
=
=
×0÷
=
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