3×4= 2×6= 20+39= 4×4=
2×3= 5+3= 5×4= 6+4=
2×4+5= 4×3+6= 2×4-4= 2×5-2=
①101×32
②2.74+8.67+7.26+11.33
③18.8﹣5.8﹣﹣4.2﹣
④×+÷
⑤0.888×125×73+999×3
⑥4﹣[3.75×(1.2﹣)+]
+= ×= -= ÷=
0.18×= 4.7+0.38= 3.2÷0.1= (10﹣)×0=