0×85= 35×5= 707÷7= 510×6= 640÷40= 3400-900= 72÷12= 18×40= 750÷50= 8.92-0.03-1.97= 0.175÷0.25÷4= (12.6-0.75-0.25)÷0.01= (1.7+1.7+1.7+1.7)×2.5= 72×125= 384+98×25×4= 32.8+19= 1.82-0.63= 1.2×0.5= 63+0.37= 0.6×0.2= 0.67+1.24= 9.6÷1.6= 2.5×0.4= 8.2÷0.01= 5.2÷1.3=