300﹣187=
7.2÷36=
8.63+5=
4.7×100=
2600﹣279﹣321=
+=
×=
72÷=
-=
××=
72%÷2.4=
15﹣2.98=
3.6÷0.4÷2.5=
125%×0.16×8=
①1300﹣497=
②0.81+15.3=
③=
④30%×=
⑤=
⑥14:0.7=
⑦2.4÷=
⑧1÷﹣÷1=
① ÷[( ﹣0.75)×60%]
②50%×2.5× ×64
③1 +4×0.75
④( )
56×101
16.37﹣(6.37+8.8)
①8.59﹣4.13﹣0.87
②125×32×0.25
③
④