直接写出得数．
543﹣（143+299）=
100÷12.5÷8=
32+23=
45分：
小时=
0÷
=
直接写出得数．
2009﹣29= 7.35+1.7= 0.42×30= 9.3÷0.03=
×0.375=
÷
×= 2.8+0.2×20=（
﹣
）×36=
+
﹣
= 6.3×99+6.3=
直接写出得数．
217+199= 1﹣0.6= 0.1÷10%=
×
=
0.375÷
= 0.4×100=
+
=
÷
=
（
﹣
）×9×7= 200﹣175+25=
直接写得数．
4.2×0.5= 6.4﹣3.25= 9.3÷0.03= 44÷
=
÷2÷=
9﹣
﹣
= 1÷
=
×
=
+
= 2﹣
=
直接写出得数．
6×2.4= 2009﹣198= 6.4÷0.8=
×
=
+
+0.6=
÷
= 3.8÷
= 0.9×
=
9×
÷9×= 1﹣
+
=
×6+9×= 2﹣
=
