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1、2.4+12.5=3.56-0.3=5.78-1.06=13.6-2.7=76.8-5.9=36.2-13.6=25.1+25.7=35.8+34.9=63.3+3.83=34.1-10.9=36.8-5.2=45.7-2.4=57.2+1.8=32.1-6.7=25.1-13.6=-n0.3+0.5 =7.9 + 2.1 =0.14 X 3 =8-0.8 =1.72 0.2 =4.8+0.8 =1.55 + 0.5=4.5-2 =10.2-2.9=1.5 0.5 =0.96 0.7 =0.8 + 0.5 =3.16+12.3=2.4+16.8=6.2-3.8=* H x3.7 + 2.36=
2、 0.8 0.2 =0.06 X 8 =1.25 + 0.8=2.4 + 0.06 =0.72+0.8 =2.35+4.7=5.3+1.42=12.3-3.6=3.67-1.8=2.47+0.4=23.6+1.35=12.5-4.8=25.7-5.8=3.6+4.68=2.3+1.09=32.4+2.8=3.6+25.6=4.7-1.4=23.5-2.9=3.5-2.9=4.9-2.9=4.8-0.9=6.8+2.7=5.5+4.5=6.4-6=7.3-0.3=1.4-1.4=3.6+3.6=3.6-1.4=-n6.8+2.45=4.1-3.2=4.9-2.8=5.9+2.3=6.8+9=6+
3、4.8=6-1.4=8-0.3=9-5.8=23.6-8.9=23.7+1.9=4.6+12.9=4.7+0.6=20-13.7=6.2+12.8=4.7+8=4.6+12.7=8-4.5=67.2-2.9=23.5-1.09=12-3.6=3+56.9=3.9-1.8=78.1-56.7=3-1.7=4.7+23=2-1.9=34.8+1.9=1.02+9.2=4.8+0.46=在括号里填上合适的数3 =1524=()5=508()427()604 ._()3一3=910()424(1215_()25=58=9602040()h呻1-V1127=93 63 _94844()2 =()4 =(
4、)8 _()3125159181 _()1 _()5_.154123156()1 =_)1 =8 _.86243 1211113 =97 =88()12243015(:=615 = 3(:LZ1020()6189- d312 =u12 =2 .()7()35()515(:)=2 =39 _.() 2736 ()124=()35 _ 7 ()525 25()50()4080约分:色=16 =_92432155 =18 =250301424 =3 =3 =4212610 =21 =24 _1536404 =15 =30 -8204540 _8 _960101514 =45 =40 .3560701
5、6 _15_36 _24185436 =T T IT T4亠亠22 =卜. r +1260771828 =4 =542122024 _=24 _=24 _4242424 =9 =5 _121210* *斗卜. h*4 =12 =21 61628615129403012 =9 =8 _4212106 =21 =80 _1277904 =4 =3_1216153 =5 =812252416 _16 _9 _-24401814 =21 =16 .202840*和-15 =136 =3050484540 =8 =96010156_5 _30810332 =_8 =16 =121218ITT T T42 =5 =6 .42036色_10 =43612169 =4 =4 =3662014 =15 =9 _16201842 =_8 =151212219 =6 =6151821288 1812169 =8 =9272472
