(1)832.47/50= (50為常數(shù)) (2)28.146+121-53.24= (3)14.76*30÷5= (4)16.26÷3.0+1.5*40=
(1)2370.4/10= (2)32.785-2.46+70.3= (3)50.32*2.5÷100= (4)38.74*1.1+4.72÷1.23=
(1)7.9*103-0.9*103= (2)6.79÷20+2.3= (20是常數(shù)) (3)28*3.23÷6.519= (4)503.7*1.2-4.7*100=