①875-143-357
②8×9×125
③56×67+56×33
④45×102
⑤270÷6÷5
⑥(80-8)×125
⑦125×24
⑧12×25
50×40=
150÷30=
125×8=
15×6÷15×6=
5600÷70=
27+133=
301×39≈
500÷50×2=
412×34= 310×57= 410×20=
26×140= 83×405= 32×245=
18×72= 36×24= 90×24= 9×48=