3.6÷0.4=
=
401÷50≈
30%×90=
0.32=
①12.5×(8+0.8)
②+×
③+÷
④26﹣7.28﹣12.72
⑤5.8×4.1+5.9×5.8
⑥÷(+1.4×)
①15﹣5.27﹣2.73
②75%× +0.6÷
③0.125×0.25×32
④ ÷[ ×( ﹣ )]