二年级下册数学混合运算

31 21+36= 4 8+48 75-35 18 6 9+14 54 28-22= 8 7+13 9 6+21 67 18-33= 3 8 4 90 35-19= 3 6+54 74 26-17 5912+13=9426-331219+57= 9054-3795-4227 =100-642618+71 49 3 9+58 5 6+34 36 47-6=53 17+41 5 9+26 25 75-66 6 7+42 8 78-47 8 5+51=83 29-32=6 9+38=52 29+37 73 16+40 28 37+31= 53 35+64 43 29+71 6 7 18 5 6127 6 15 85-3 9=6 315 4 5 9=79-25+12=7 226 3 9 18 7 5 16 6 2123 8 19 9 7 39 3 4+46=6 9 16 4 8 135 417=6 8 25=8 9 249936=562437 640=2644 918= 40+11+24=48-24= 78-559582+2264824882656360 8 6=9 6-21 4 8+48 9 8 4=75-35 18 3 8 4 6 9+14 90 8 9=54 6 3=3 6+54 8 7+13 72 8 3 59 12+13= 19 1-18 12 3 9= 90 8 9 5 4 4 = 81 9 3 18 2 9 2 9 3 5 6-24 36 47-6=18 9 5 5 9+26 3 6 2 8 5+51=8 4 6 6 9 3=83 9 9=60 60 6 72 9 4 6 3 2 1899=72 9 3=24 3 6=9936=85-39=1899=18+7149381928 7 9=7 2 2 18 227 5 5 4 9 3=7640=79-25+12= 18225 6+346 9165 5 9 5 6 4 36439 2 3 81 9 6= 4 918=751636435317+416825=43 29+71 6 6 9=36494 8 4 40 8 7 40+11+24=973936492575-6685-39=6 7 2 5 4 2= 6 82=8 4 6 54 9 3=9582+224813 682=878-4779-25+12=5 6 5 36 4 9 8 29=8 2 6 81 9 3=48828924829=8329-32=75166 （ 73-65 ） = 2 （ 45-37 ） =（ 35-26 ） 9= 56 (78-69)= 72 (3 6)= 7 (62-54)=(42-36) 5= 32 (4 4)= (75-26) 7= (5+4) 6= 81 (16-7)= 4 (82-75)=(27+21) 6=4598=15+549=32+59=76+28=3+29=3+49=47-287=47-75=32+47=56-459=45 (36-27)= 3 8 4= 45 7 6= 72 8 26=6398= (36+20)7= 47+328= 82-459=38+74= 55-426= 89-57= 5(25-17)= 42+366=8(2+7)= 27-45= (53-21)4= (23+31)9=(65-9)7= (5+27)8= 56(67-59)= 8+27=43-248= (27+54)9= 42(56-49)= (25+24)7= 56-28= 35+4 6= 23+56= 7(4+3)=8+27= 15-93= 7+69= 49-328=45(3+6)= 7(2+6)= 72(56-48)= 8(89-80)= 2+97=42(2+4)= 65+84= 44-255= 2(3+4)=34+57= 64(18-9)= 48(4+4)= 7(42-37)=25 37=68-244=5685=36-255=5+567=5(36-27)=35+57=32+568=9-567=6(9-7)=8(3+6)=42-57= 7+84= 65-53= 6+57= 28(37-33)= 2(47-39)=75-37= 7+63= (56+8)8= 8(5+3)= 36-57= 82-459= 71+26=76-59= 25+364= 47-357= 4+78= 9-62=33-44=68+47= 5912+13= 191-181239= 9089544 =819318 2 9 5 6-24 18 9 5 3 6 2 8 4 6 83 9 9=2 9 3 36 47-6= 5 9+26 8 5+51= 6 9 3=60 60 6 729428 79= 5 5 94329+71 6 7 25 6518+71 495 6+34 53 17+41 25 75-66 8 78-47 83 29-32=3 9+58 36 47-6= 5 9+26 6 7+42 8 5+51= 6 9+38=52 29+37 73 16+40 28 37+31= 53 35+64 43 29+71 6 7 18 5 6 12 6 3 157 2 266 2 12 3 4+46= 5 4 17=7 6 15 4 5 9= 3 9 18 79-25+12= 7516 3 8 19 9 739 6 9 16 4 813 6 8 25= 8 924 85-3 9=9 936=7 6 40= 4 9 18= 40+11+24= 95 82+22 48 8 2 60+70=72+8= 60+610= 760+30= 90+340= 50+50= 100+900= 480+20=48+28=6+80=410-40=560-40=460-400=422=411=105=22=105=189=20+430= 700+100=45+55= 480+300=88-18= 240-50=280-80= 86-40=120-30= 840-30=740= 118=560= 260=306= 233= 164=61= 122=306= 84=69+7= 357-3= 66+12=0+20=90+20=160-80=550-500=1000-800=509=020=55=246=183=63-18=170+60= 150+50=22+22= 72-50=300-70= 130-50=800-40= 500-500=11 3= 209=12 3= 290=809= 207=205= 124=126= 366=255= 426=486+2=840+90=380-80=75-20=130-90=240=830=303=306=42=102=164-4=