0.36÷12= 
×
= 10×1.05= 
÷9= 84÷0.7=
5﹣2.4= 8×
= 4.37+6.63= 5÷25%= 
×
=
+
= 7÷1.4= 72.8÷0.8= 
﹣
= 16×0.001=
（
+
）×20= 1.25×
×8= 8.2+0.54+0.46= 1÷
﹣1.25= 125×0.8﹣100=
0.36÷12= ×= 10×1.05= ÷9= 84÷0.7=
5﹣2.4= 8×= 4.37+6.63= 5÷25%= ×=+= 7÷1.4= 72.8÷0.8= ﹣= 16×0.001=
（+）×20= 1.25××8= 8.2+0.54+0.46= 1÷﹣1.25= 125×0.8﹣100=
吨，一个星期运完，平均每天运这堆沙子的几分之几？平均每天运多少吨？
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