1÷0.25=
+1=
×24=
+=
﹣=
110×0.02=
0.32=
0.5+0.5×2=
3×﹣×2=
10÷=
700﹣16×5 589+659﹣289
8×4×12.5×2.5
÷8+× 1.65-+2.35- 12.5×8÷12.5×8
2.5×4= 4.8×30%= 432-199= 3.9×2.5×4=
3.4÷0.5= 4.5× = 3- - = (6+ )× =
8+0.1÷0.1-8=
21-2.897=
0.25×0.12=
7.08×1.5+7.5×7.08
=7.08×(1.5+7.5)
=7.08×10
=70.8
①26×15﹣200
②8×4×12.5×0.25
③×+
④12÷[()×]
①25×32×1.25
②(+0.375)÷(×)
③×+÷7
④6﹣(+)
①7.4﹣6.62+20.6﹣13.38
②×+×
③(-+)÷
④2×0.8×12.5×50%
⑤÷(÷+)
⑥×[1÷(+)]