还剩2页未读,继续阅读
文本内容:
以内的加减法练习题1000750+250=64-44=150+30=650-350=330+220=85-15=450+25=303-202=430+220=68-32=650+40=654-136=280+300=54-38=630+30=500-120=510+280=82-22=150+800=320-230=630+140=89-35250+20=600-400=二600+150=78-16650+35850-650=二二560+180=65-33255+70=550-320=二350+150=32-14320+50=650-340二二750+350=88-7760+430=850-140=二810+210=61-31=50+330=600-250=700+110=90-80=85+500=415-315二360+540=77-50=44+700=650-400=400+280=46-36=65+130=155-110=190+240=85-2570+430=745-355=二250+210=34-20=80+550=900-450=165+135=86-55=68+130=415-200=360+290=65-2920+630=350-120=二100+199=62-42200+52=610-180=二155+215=59-4554+410=500-250=二300+255=73-2166+310=350-240二二470+256=88-66400+88=860-350=二135+105=29-15=18+230=155-105=650+110=55-25=16+130=860-350二450+350=64-14=70+30=507-230=130+520=25-17=460+25=353-202=130+280=68-62=50+40=654-136=210+100=54-48=610+30=300-115=210+280=55-22=150+750=320-230二430+180=76-35=220+20=800-300=200+50=78-33=643+35=150-130=510+120=65-33=258+70=350-320二150+50=57-24=320+50=550-140二110+350=88-13=60+360=350-40二230+310=65-31=50+120=300-250二750+80=90-44=85+240=415-125=50+545=85-50=47+760=540-400二200+210=46-42=65+780=455-230二120+240=85-20=70+460=645-35二50+120=53-20=82+530=900-85=75+25588-55=68+130=315-280=二160+160=65-15=20+650=340-220=30+250=45-42=520+52=450-230二85+255=59-32=54+120=600-75二200+155=46-21=100+310=350-235二45+150=83-46=550+25=620-430=185+50=32-2774+230=755-345=二50+12056-2024+115=180-60=二650+260=164-44=150+330=620-350=360+620=815-115=350+235=302-102=430+240=618-132=350+340=614-116=240+340=154-138=330+330=501-110=520+280=812-122=350+300=310-130=230+240=189-135230+320=610-100=二620+250=178-116=660+365=850-655=520+120=165-133=655+70=555-350=320+250=132-114=326+60655-350=二780+38188-77=66+460=840-440=二880+28=161-31=650+330=640-450=780+180=190-80=825+520=414-314=361+510=717-150=244+720=640-404=410+180=416-136=265+230=175-117=150+250=185-125=270+230=725-255=255+250=314-210=280+250=920-420=155+165=186-155=268+120=425-220=366+260=615-219=220+230=380-128=160+196=612-42=202+252=618-180=165+216359-345=254+210=580-280=二360+265=733-321626+312=358-280二二460+356=838-366=420+8288-38=二735+230=391-336=520+225=980-48=133+103=429-145=128+220=185-105=630+310=545-425=216+130=880-380=。