1.5+0.9= 0.95-0.72= 6.7+3.5= 45.5-5=
0÷95= 0.93×10= 5-0.9= 25×5×4=
618÷3= 36×1= 101÷101= 3×4÷3×4=
微信扫码预览、分享更方便