=
=1
0.18÷0.6=
2.8+1.9=
0.18×1000=
75%x+3.6=8.4
=
1.2÷=
×0.375=
0.3×=
-= ×= ×18= +=
3÷= 21×= ÷= ÷=
÷8= 1÷×6= -÷= ÷×0=
×= 24×= ×= ×0.36=
÷9= 1÷= 8÷= ÷=
3.14×92= 45÷30%= 3+= ÷5×=
108÷100= ×0.4= 36×50%= ×÷=
(本)
①0.83+1.675 ②756+1328 ③+ ④57%+