直接写出得数．
8÷0.125= 1.01﹣0.91= 1.9×0.5×4= 0.37+
= 1
+
=
3.2×
= 8﹣
= 75×99= 81÷
= 2.5×6.7×4=
口算：
199+99= 70﹣25= 120÷12= 25×5=
4.6+0.04= 2.5﹣1.5= 6.3÷2.5= 5×0.8=
+
=
﹣
=
×
=
÷
=
直接写得数．
×
=
÷
= 15×40%=（
﹣
）×20=
﹣
= 0.1×30%= 4÷25%= 7×
÷7×=
直接写出得数：
40×1.5= 2﹣
+
= 3.1+4.67= 0.0096×1000=
÷8= 100﹣0.09= 0.63÷0.7= 7×5÷7×5=
直接写出得数．
1.7+2.03= 0.32×200=
÷
= 8×12.5%=
5×
÷×5=
﹣
= 0.36÷0.3=（
+
）×15=
×
×
= 10﹣
﹣0.875=