△19.2÷8= 1.02÷3.3≈(结果保留两位小数)
2.06×5.5= 15.9÷15= 5.9÷3≈ (保留两位小数)
①7.2×3.4
②1.06×5.8
③8.78÷4
40×0.21=
3÷10=
0.7×1.3 =
6.7÷100=
2.3+0.7=
3.1- 1.8=
48÷2=
0.7×100=
①0.57×24=
②66.5×0.24=
③※ 3.24×0.15=
④72÷15=
⑤6.3÷14=
⑥※0.86×1.02=