32万3200000
42870500004287005000
270÷24370÷12
425×32325×42
120×20=
130×30=
14×400=
160×60=
450÷90=
280÷70=
560÷80=
690÷30=
①156×36=
②108×35=
③★840÷24=
④608÷30=