①8.8×12.5
②78×10.1
③6.8×4+13.2×4
④15.8÷(15.8×4)
⑤75.7×3.3-45.7×3.3
⑥42.82+5.4+0.18
+= ×= -= ÷=
0.18×= 4.7+0.38= 3.2÷0.1= (10﹣)×0=