加法交换律和结合律简便计算 计算题 200题.docx

1、加法交换律和结合律简便计算 计算题 200题加法交换律和结合律简便计算 计算题2+186+98=459+341+60=261+139+550=479+221+97=705+195+88=646+154+162=29+271+541=76+524+10=50+334+50=56+140+44=506+94+108=289+111+432=194+706+98=221+179+457=27+173+705=667+33+7=304+496+66=126+274+212=40+329+60=343+457+45=24+176+752=45+686+55=71+129+217=218+82+551=3

2、54+246+95=413+187+18=187+413+195=63+437+191=126+274+79=339+561+61=72+428+24=501+199+286=38+462+114=26+174+88=175+125+308=226+74+485=78+222+269=175+25+245=218+282+76=50+450+297=400+300+40=155+45+47=39+161+707=11+802+89=300+100+90=408+92+152=96+704+52=93+21+7=8+692+249=127+273+326=293+407+259=195+605+

3、140=571+29+353=92+893+8=57+658+43=186+14+193=367+133+57=119+581+79=492+8+384=62+138+343=763+37+87=145+55+591=298+602+85=468+32+350=55+145+49=348+52+345=23+90+77=11+281+89=136+64+354=627+173+37=44+608+56=141+659+130=282+18+262=91+192+9=265+135+413=24+876+19=164+36+209=557+143+251=386+414+128=54+446+2

4、93=58+388+42=417+283+171=165+35+482=336+264+351=264+36+82=212+388+371=26+604+74=78+122+341=29+632+71=2+198+573=222+378+23=290+410+144=65+409+35=169+131+121=484+16+124=72+228+306=312+88+595=280+120+452=188+412+266=55+545+314=111+89+542=184+216+186=176+224+381=386+514+5=146+454+354=230+370+340=752+148

5、+73=383+117+156=161+739+88=308+92+466=136+364+52=522+78+368=54+846+80=737+163+15=238+562+164=89+880+11=409+91+23=111+89+356=85+115+769=55+290+45=613+287+56=44+756+135=32+668+257=264+36+223=16+884+22=217+583+128=699+201+12=33+367+312=58+842+47=521+179+150=399+101+28=158+742+39=224+76+639=340+160+383=

6、146+754+97=273+527+100=773+27+6=159+241+82=77+497+23=580+20+138=508+392+45=68+242+32=153+547+181=488+312+126=213+7+693=636+64+169=107+93+9=840+60+18=168+332+361=87+113+456=66+250+34=493+107+257=52+322+48=298+602+25=471+29+257=126+274+566=498+202+4=1+699+154=97+403+430=419+181+274=64+736+40=718+182+3

7、5=72+760+28=155+45+544=174+726+28=81+719+151=117+183+19=549+151+20=72+128+167=30+170+34=71+50+29=375+425+191=67+333+426=141+2+798=379+521+89=696+104+151=44+756+147=610+190+164=42+78+58=10+490+94=574+126+292=91+24+9=473+127+174=75+458+25=160+140+1=95+205+558=284+616+39=246+254+304=715+85+131=565+235+157=884+16+2=59+768+41=31+369+161=387+213+87=304+396+227=365+435+109=81+319+12=21+731+79=178+322+285=119+581+79=430+170+158=