13和26 30和18
2.3+5.4=
12×0.01=
0.84÷12=
1.1-0.96=
1.25×5×2=
0.16×0.5 =
0.65÷5=
0.7+6.77=
2.3×3=
3.4+2.3+6.6=
①+++
②(-+)×24
③1.5×+8.5×
④4×0.8×2.5×12.5
⑤25××40%×
⑥÷[(+)×]