商店将两件商品均以每件140元出售，结果一件赚40%，另一件赔30%，那么商店老板是赚了，还是亏了？赚(亏)了多少元？
直接写出得数．
100﹣63= 10.6﹣5.2= 150÷0.75=
1.01×99=
=
=
口算．
46+34= 72﹣28= 800×5= 5000+200=
32×2= 96÷3= 80÷4= 7700﹣700=
64÷2= 27+45= 85﹣78= 1400﹣600=
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=
﹣
=
+
=
﹣
=
直接写得数．
25%×8=
﹣
=
4.8÷0.8=
12×（+）=
口算．
24×75%= 5.2÷1.3=
=
×
= 3÷= 3.1﹣0.3=
0.92= 4.2+
÷0.5=
=
=
直接写出计算结果．
2.6×0.3= 43÷10%= 0.32﹣0.23=
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4
﹣
=
﹣
= 1.3×7+6.7×7=×5÷
×5=