21.3×0.75
5.87÷1.9(得数保留两位小数)
3.8×2=
0.36÷9=
4.8÷0.8=
0.1×0.9=
0.2a+0.8a=
102﹣92=
4.5÷9﹣0.45=
1﹣0.2÷0.2=
0.56×0.04= 7.56÷0.85≈(得数保留一位小数)
14.28-5.36-4.64 3.2×0.25×12.5
7.82×99+7.82 [1.4×2-(0.65+0.55)]÷40
①0.36×8=
②9.56×0.7=
③0.402×16=
④2.04×1.5≈(结果保留一位小数)
⑤0.18×0.105≈(结果保留两位小数)