5.6÷0.7= 4.8×0.2= 2.5×0.4= 2.7+83=
0.25×6= 8×1.2= 7.2÷4= 0.26÷0.01=
4.5×0.02= 6.2+3.8= 19.8×5≈ 80.7÷20.3≈
①120+180÷5×6
②9.43﹣(0.39+2.43)
③
④
⑤()×14+
⑥
①836-192÷8×16
②1.4÷(1.4+0.7)
③0.8×0.4×12.5×0.25
④ ÷6+ ÷20
⑤14×19×( + )
⑥ ÷[( + )÷ ]