一、乘
4537+3755=
2821+2879=
1723-237=
3846+6438=
9932+32=
46+4659=
1672+1673+1675=
398+639-394=
28225-2225-6225=
(42+25)125+(18+15)125=
2324+2542+2718+2581=
9922+3334=
二、除
36049=
25052=
600125=
80058=
480548=
240512=
42035=
240025=
7800125=
三、加减
92+99=
197+102=
354-108=
405-99=
127-98=
323+189-123=
248-86+48=
672-36+64=
(6467-832)+(1832-1467)=
1530+(592-530)-192=
(2+4+6++98+100)-(1+3+5++97+99)
四、乘除
9604648=
9900012111=
3702381234=
640(164)=
1000(1254)=
五、加减乘除
(98+147)49=
(230-23)23=
(250-25)25=
173628+106428=
125(860+24012)=
700+612124=
(37+15)85+1360=
200520062006-200620052005=