cm
2.4t240kg
125-25×4100×4
5.6685.6680
65×2=
390÷30=
4.7+3.5=
4×2÷4×2=
0.28×1000=
0.96÷10=
25×7×4=
120÷5÷4=
2-0.8=
( )÷60=5
①31.21-13.18=
②12.46+5.8=
③*7.05-4.38=
①3.7-0.29-0.71
②25×36
③18×12-36
④26×14+26×6