混合运算．（能简算的要简算）198﹣（98+37 ） 34×102 ×40﹣÷80.3﹣33.3×0.5÷0.37 （﹣）×12÷0.1 ×[÷（+）]．
在如图中表示+．
直接写出得数．== 1﹣==== 1﹣==
直接写出得数.﹣= 0.12+= 8﹣8= 1+2.1﹣1.25= 2﹣= 1.2+= 1++= 3+0.25﹣3+0.25=
直接写出得数．========
直接写得数．+= 1﹣=﹣=+=﹣= 25÷26=+= 1﹣+=
×40﹣
÷
﹣
）×12÷0.1 
×[
÷（
+
）]．
+
．
=
= 1﹣
=
=
=
= 1﹣
=
=
﹣
= 0.12+
= 8
﹣8= 1
+2.1﹣1.25=
= 1.2+
= 1+
+
= 3
=
=
=
=
=
=
=
=
+
= 1﹣
﹣
=
+
=
﹣
= 25÷26=
+
= 1﹣
+
=
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