脱式计算，能简算的要简算：
×
+
÷
[
﹣（
﹣
）]×
9999+9998+9997+9996
812﹣700÷（9+31×11） 1.25×3.6×8×2.5﹣12.5×2.4 
+7.4﹣
+3.6．
相关试题
脱式计算，能简算的要简算：×+÷ [﹣（﹣）]× 9999+9998+9997+9996
812﹣700÷（9+31×11） 1.25×3.6×8×2.5﹣12.5×2.4 +7.4﹣+3.6．
= 
÷
=
+
）= 9
÷9=
÷
÷7=
×
= 
÷
= 5.6+3.99=
= 4×
×
= 
÷
= 6.4×0.5=
﹣
= 
÷
=
×
= 
﹣
= 
÷4= 
+
+
= 1
﹣
﹣
=
﹣
=
÷7×
﹣
）=
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