67×83=
464÷4=
*610÷9=
6.3+2.7= 52×20= 4200÷6= 0÷420= 72×49≈
7.8-3.6= 241÷6= 400÷8= 180×5= 281÷9≈
⑴42×35= ⑵46×29= ⑶64×17=⑷684÷9= ⑸903÷3= ⑹★313÷3=