文档介绍:60×= ÷= 350÷700= 1.5×=
8×= ÷12= 7-= 0.96÷2=
÷2= 200×0.16= += 540÷900=
÷9= 9.9+= ÷= ×100=
-= 11×25= 0.28÷= 10÷20=
540÷900= ÷= ÷= ×0.9=
0.56÷0.07= -= 3.27-1.27+= 0. 9=
6÷20= ×= 0.56÷= 800 ×0.03=
-= += 7-= -4=
×4= 800×0.03= ÷3= 11×25=
8÷÷400= ÷9= 49×= 12×25=
0.9= -= 12.8÷4= 4.8÷12=
÷41= 46.7-= 0.42÷0.7÷= 3.74+=
÷0.7÷= ×400= 200×= ÷=
×= 10÷20= ×= ÷=
×7= += 0.9÷100= 7-=
÷+4.8= 0.24×0.5= += 1.5×3=
×5= += ×50= ×0.6+×=
+= 3.6÷0.09=