= = 12+2.28= = =
= += 100﹣46= 0.12= =
13÷65=
= 1.2÷0.6= 5÷10= 4×25= 1.6+8=
+= 21÷9= = 0.25+0.16= 1÷=
= = 12+2.28= = =
= += 100﹣46= 0.12= =
13÷65=
= 1.2÷0.6= 5÷10= 4×25= 1.6+8=
+= 21÷9= = 0.25+0.16= 1÷=