①28×50=
②1−1÷9=
③0.073+7.3=
④125%×4=
⑤1.05−0.85=
⑥100÷25÷4=
⑦1÷0.125=
⑧12+13×24=
⑨56×38÷56×38=
⑩24×14+18=
6.5×10%=;
75%+1.2=;
0.56÷0.4 =;
4×9.2×2.5 =;
1÷45×54=;
24×13+17÷58=;
36×56−12=;
25717÷24=;
46%+749+1.54+359=.