9÷0.15=
2.04×0.25=
3.744+3.6=
5.4x-x=13.2 3(x+2.1)=10.5
①2.07×3.6
②3.35×1.6
③1.4×3.25=
④91.2÷0.57=
⑤△1.55÷3.8≈
⑥※2.08×75=
4.8÷3= 36.8÷16= 59.51÷11=
37.75÷25= 305.2÷14= 449.5÷29=
15.6÷8= 25.5÷5= 34.5÷15=
1÷7+= 49÷0.1= ÷= 0.5﹣+0.5﹣=
60×20%= (+)×24= 40÷(1﹣)= ×=