①0.64+1.48= 3.25+7.49= 2.26+0.9=
②30.84+57= 1.608+2.84= 3.6+15.4=
1吨300千克-860千克=吨
4-3.15= |
7.5-2.6= |
2.38-1.27= |
2.1+3.6= 7.5-3.2= 6.02+2.8= 10.3-8.4=
2-1.6= 0.5+2.7= 3.4-2.8= 0.25+1.6=
3.6+24.3= 0.49+0.3= 2-0.8= 560÷1000=
125×8= 5.6×10= 90÷100= 9×99+9=
①4.7+16.48+5.3+3.52
②56.8-27.4-12.6
③8900÷25÷4
④138×56-56×38
⑤78×99+78