①3.4×0.12 ②0.9×4.04 ③1.28×3.4(结果精确到百分位)
10.7×0.45=
80.5÷0.25=
*7.8÷3.5≈
①
②
③12.5×0.32×2.5
④5÷+÷5
⑤18×()×14
⑥4.5×26+45×7.4
x
3
☆
y
4
24