①9.52÷3.4+4.8×0.375
②18.67﹣(5.77+4.17)﹣4.23
③31.3×8.1+12.5×6.1+43.8×1.9
④×+++
⑤2.31+[(4.75-×0.4)×]
700﹣16×5 589+659﹣289
8×4×12.5×2.5
1÷0.25=
+1=
×24=
+=
﹣=
110×0.02=
0.32=
0.5+0.5×2=
3×﹣×2=
10÷=
÷8+× 1.65-+2.35- 12.5×8÷12.5×8
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÷(+)]