序号口算题序号口算题序号口算题序号口算题186-12-15=257+33+31= 336-27+9= 477-(19-16)=588-34-18= 615+36+27=712+79-62= 851-(20+28)= 951+42+53=1077-65-6=1171-52+36=1275-(24+26)= 1375-24-23=1432+45+38=15 81-45+36= 16(24-16)+40=1763+12+42=18 53-37-15=19 63-23+28=2048-(26+18)=2121+32+60= 2236+34-14=23 73-12-21= 2421+(82-60)= 2544+5+12=26 100-66-22=27 72-45+32=2854-(21-18)=2967-37-22=3021+82+17=31 73-27+10=3254+(21-18)= 3365-33-18=3458+45+3= 3554-52+17= 3698-(51-24)= 3775-63-1=3863+18+11=3945+15-47= 4097-(34+25)=4143+29+13= 4235-28-28= 43 67-38+22=4460-(34+15)= 4517+27+10= 4655-38-15= 47 54-41+36=4899-(8+77)=4975+15+30=5092-6-11= 51 42-37+54=5277-(34+22)= 5312+29+19=5469-10-36=5537+12-28= 5667-(57-37)= 5733+17+15=5875-36-10=5982-54+12=6065-(39-15)=6162+18+24=6254-21+18=6353-29-19=6435+(42-28)=6586-12-15= 6657+33+31=67