四年级简算题.doc1001x74500-25=125x24=32x46+32x541846-620-38025x5x817x4x2525x33x40125x19x825x125x16125x3225x482008x25125x792125x(40+8)101x32-3272+99x7217x4x2525x33x40125x19x25x125x16125x3225x482008x25125x792125x(40+8)(100-4)x25(80-4)x2557x32+32x43173x61-73x61656-164-3648+12-48+1213+46+55+54+87656-164+36540+78+160363-154-14641+125+59+728x2592x17-92x7455-(155+230)99x3(25+12)x456x27+27x4456x99+56125x25x8x425x32x125125x64(6+8)x125229-83+171-11756x99+5698x101125x25x8x4 355+260+140+2453500-14-5175x56+25x56 50x25x20x40368+156+344+132 125x47x8 44x257200-25-4 96x58+96x42 6300-(63x5)482-(182+50)135x27+135x72+135368+156+344+13125x47x44x25482-(182+50)135x27+135x72+135789-136-64132x29+13298x83+1663700-4-2588x125048x125125x32x12536x1+36x15—108645—180—24538x99+38 3500-14-5175x56+25x56125x32x2598+265+202273-73-27250x13x43200-4-2588x12599x38+3817x23-23x772x12564x15-5x6425x(12x40)298x99+29(40+8)x2597x125125*3+125*5+25*3+25(23/4-374)*(3*6+2)X5/4+1/46-3/8一3/8-64/7x5/9+3/7x5/95/2-(3/2+4/5)(1/8+1/9)9x5/6+5/6=x4/5+8x11/531x5/6-5/645x2/3+1/3x1550+160-40120-144-18+35347+45x2-4160-52(58+37)-(64-9x5)95m(64-45)178-145-5x6+42812-700-(9+31x11)85+14x(14+208-26)120-36x4-18+-(+)---+---(4.-)6--(-)+-(6+-)
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