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计算,能简算的要简算: 1234+700+300 26+(...

(1)1234+700+300,=1234+(700+300),=1234+1000,=2234;(2)26+(89+74),=26+74+89,=100+89,=189;(3)48×25,=12×4×25,=12×(4×25),=12×100,=1200;(4)85×199+85,=85×(199+1),=85×200,=17000;(5)69×27+27×31,=(69+3...

(1)1234+700+300,=1234+(700+300),=1234+1000,=2234;(2)26+(89+74),=26+74+89,=100+89,=189;(3)48×25,=12×4×25,=12×(4×25),=12×100,=1200;(4)85×199+85,=85×(199+1),=85×200,=17000;(5)69×27+27×31,=(69+...

650÷25+26×99 =26+26x99 =26x(1+99) =26x100 =2600 如有帮助请采纳, 如对本题有疑问可追问,Good luck!

(1)3.26+1.4+6.34+9.6=(3.26+6.34)+(1.4+9.6)=9.6+11=20.6;(2)19600-600÷5×25=19600-120×25=19600-3000=16600;(3)300-3.25+6.75=296.75+6.75=303.5;(4)(36×19-19)÷35=(684-19)÷35=665÷35=19;(5)9600÷25=9600÷25÷4×4=9600÷...

(1)26-2.68+4.32=23.32+4.32=27.64;(2)25.61-7.88-7.12=25.61-(7.88+7.12)=25.61-15=10.61;(3)45×63-45+38×45=45×(63-1+38)=45×100=4500;(4)45000÷(4×45)=45000÷45÷4=1000÷4=250;(5)4800÷32+68=150+68=218;(6)65×[(1640...

(1)35.27-(6.27+0.86)=35.27-6.27-0.86=29-0.86=28.14;(2)23.46-4.26-5.74=23.46-(4.26+5.74)=23.46-10=13.46;(3)15.42+8.7+1.3+4.58=(15.42+4.58)+(8.7+1.3)=20+10=30;(4)5.74+1.98+3.26=5.74+3.26+1.98=9+1.98=10.98;(5...

原式=26.8x0.25+26.8x0.75 =26.8x(0.25+0.75) =26.8x1 =26.8

(1)23.4-8.54-1.46,=23.4-(8.54+1.46),=23.4-10,=13.4;(2)15.25-3.1+0.75-4.9,=(15.25+0.75)-(3.1+4.9),=16-8,=8;(3)26×101-26,=26×(101-1),=26×100,=2600;(4)73+3.4+27+5.6,=(73+27)+(3.4+5.6),=100+9,=10...

(1)89+124+11+26+48=(89+11)+(124+26+48)=100+198=298;(2)(64-224÷14)×12=(64-16)×12=48×12=576;(3)120×(38+405÷27)=120×(38+15)=120×53=6360;(4)163×25+237×25=(163+237)×25=400×25=10000;(5)384+98×25×4=384+98×...

①4.25+3.26-0.16+5.75 =(4.25+5.75)+(3.26-0.16)=10+3.2=13.2②17.86×102-2×17.86 =17.86×(102-2)=17.86×100=1786③3.68÷0.25÷4=3.68÷(0.25×4)=3.68÷1=3.68④(12.5-0.125)×0.8 =12.5×0.8-0.125×0.8=10-0.1=9.9⑤5.56×0.5-1.56÷2 =5.56×0.5...

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