人教版小学数学二年级上册：数学100以内加减法混合运算200题

人教版小学数学二年级上册：数学100以内加减法混合运算200题孩子们在学习数学的过程中，练习是巩固知识、提升技能不可或缺的环节。100以内的加减法混合运算是二年级上册数学学习的重点和难点之一，它不仅要求孩子们熟练掌握两位数加减两位数的计算方法，还需要他们理解并运用运算顺序。这份练习，希望能为孩子们提供充足的练习素材，帮助他们在反复练习中夯实基础，提高计算的准确性和速度。一、运算规则小贴士在开始练习之前，我们再来一起回顾一下100以内加减法混合运算的基本规则，这可是保证计算正确的“金钥匙”哦：1.只有加减，从左往右：当一个算式里只有加法和减法时，我们要按照从左到右的顺序依次进行计算。2.遇到括号，先算里面：如果算式中有小括号，要先算小括号里面的算式，再算括号外面的。3.相同数位要对齐：列竖式计算时，个位和个位对齐，十位和十位对齐。4.从个位算起：计算时，先从个位加起或减起。5.进位加法要注意：个位相加满十，要向十位进一。6.退位减法要牢记：个位不够减，要从十位退一当十，和个位上的数合起来再减。二、练习题（一）基础巩固（不含括号）1.25+13+20=2.68-34-12=3.47+20-15=4.89-50+23=5.36+25+18=6.72-26-30=7.53+17-29=8.90-45+16=9.18+42+25=10.65-28-17=11.32+29-18=12.76-30+22=13.29+35+16=14.80-25-35=15.44+36-27=16.58-19+26=17.30+25+35=18.95-46-24=19.23+57-39=20.60-33+28=21.15+65+12=22.78-29-31=23.49+21-30=24.85-40+18=25.37+33+15=26.92-56-25=27.50+28-36=28.70-22+35=29.22+48+19=30.63-37-16=31.35+26-17=32.88-49+21=33.40+30+25=34.75-38-22=35.28+52-43=36.91-55+14=37.19+61+10=38.66-27-23=39.55+25-38=40.83-36+27=41.33+47+12=42.90-62-18=43.26+54-45=44.77-39+28=45.42+28+16=46.84-44-26=47.31+39-22=48.69-23+35=49.27+53+15=50.86-38-29=（二）能力提升（含括号）51.35+(25+20)=52.78-(34+21)=53.60-(45-15)=54.28+(50-32)=55.49+(31+12)=56.90-(26+35)=57.55-(30-18)=58.36+(60-24)=59.23+(47+15)=60.85-(19+36)=61.70-(52-27)=62.44+(38-29)=63.30+(55+10)=64.92-(43+28)=65.62-(37-15)=66.29+(61-33)=67.58+(22+14)=68.80-(25+45)=69.40-(28-12)=70.37+(53-26)=71.18+(62+15)=72.76-(38+27)=73.53-(40-17)=74.46+(44-29)=75.25+(55+16)=76.88-(39+25)=77.65-(42-18)=78.32+(58-31)=79.41+(39+12)=80.95-(27+38)=81.50-(35-19)=82.26+(64-35)=83.38+(42+11)=84.83-(28+37)=85.61-(36-14)=86.43+(57-28)=87.22+(68+10)=88.79-(33+26)=89.57-(49-23)=90.34+(56-30)=91.45+(35+12)=92.87-(29+38)=93.63-(47-25)=94.31+(59-27)=95.20+(70+13)=96.93-(36+45)=97.54-(38-16)=98.39+(51-22)=99.47+(33+15)=100.81-(25+36)=（三）综合练习（混合运算）101.28+36-17=102.75-(25+30)=103.42+29+18=104.90-36-25=105.53-(40-16)=106.37+45-28=107.66+(24-19)=108.82-35+27=109.29+(51+12)=110.70-28-32=111.44+36-29=112.88-(39+21)=113.35+25+30=114.63-47+29=115.50-(26-14)=116.23+57-38=117.92-(45+26)=118.48+32+15=119.76-38-27=120.30+(60-25)=121.55+25-36=122.85-49+26=123.27+(43+18)=124.90-56-24=125.41-(28-17)=126.33+47-29=127.68+(22-15)=128.79-35+28=129.24+(66+11)=130.84-46-28=131.52+38-45=132.91-(37+24)=133.36+24+25=134.70-23+35=135.49-(33-16)=136.26+54-37=137.83+(17-9)=138.65-39+28=139.31+(59+10)=140.87-48-29=141.58+22-39=142.95-(46+35)=143.39+41+12=144.72-27+36=145.50-(32-18)=146.28+62-47=147.80+(15-8)=148.69-43+25=149.35+(45+15)=150.93-57-26=（四）拓展应用（稍有难度）151.46+27+18-35=152.80-25-36+19=153.39+(51-26)+14=154.95-(38+27)-15=155.28+45-(36-17)=156.63-29+37-18=157.50+(40-15)+25=158.77-33-(28-16)=159.32+58-29+11=160.88-(25+35)+22=161.43+29+18-37=162.90-45-26+21=163.25+(65-38)+19=164.76-(39+21)-10=165.38+47-(52-15)=166.55+35-28+14=167.85-(42-18)+27=168.30+60-45-25=169.62-27+(48-19)=170.49+31+12-46=171.92-56-24+38=172.26+(74-39)+15=173.70-(35+25)+40=174.33+57-29-18=175.58+(32-17)-23=176.83-47+29-15=177.40+(50-26)+31=178.69-(23+36)+45=179.22+58+15-43=180.94-38-(27-16)=181.37+43-28+19=182.86-29-37+25=183.51+(39-24)+16=184.73-(45+18)+32=185.29+51-(46-18)=186.60+30-45-25=187.89-(34-17)+26=188.34+56-27-19=189.57+(43-28)-32=190.91-45+29-36=191.24+66+12-58=192.78-39-21+42=193.41+(59-35)+28=194.80-(28+32)+35=195.36+44-(51-17)=196.53+37-29+15=197.87-(42-18)