99×0.9999;
1×9.89.8;
3.6×0.230.23;
4.9÷1.14.9×1.1.
4×0.5= 7×0.03= 0.25×4= 1.25×8=
3.2×0.5= 4.1×2= 0.55×0.2= 8×2.5=
0.21÷0.7= 4.5÷9= 7.2÷0.9= 3.8÷3.8=
6.3÷0.7= 0.64÷8= 6.6÷0.06= 4.8÷1.2=
7×7.2= 0.3×0.3= 2.5÷0.05= 90÷0.3=
2.3×5= 0.3+0.01 = 4÷0.5 = 1.25×17×0.8=
0.32×100= 6.7-2.3 = 2.3÷0.01= 4.36×0÷9.5=
0.5×0.1= 2.1÷0.7= 3.15+6.85= 2.5×4=
3.16×0= 3.6÷0.6= 7.68-2.68= 0.99+0.01=
+
=
﹣
=
+2=
+
=
1﹣
=
﹣
= 0.23×0.1= 303=
×=40.8 ×=0.408
0.4× .02= 17÷0.17= 5.1÷0.3 = 0.25×40 =
200×0.4= 0.36÷3 = 0.82m+0.18m=
=
请你帮忙算一算,买哪个公司的地砖便宜?