1.5÷3×0.2 2.07÷2.5÷4
(2.8+1.47)÷0.7 1.8+3.2÷2
7.6-0.6= 0.8×100= 1.9+9.1= 3.6÷0.9=
7.2÷8= 0.2×0.9= 5.1÷0.01= 4×1.5=
1.4+1.4÷1.4= 8.3×0.9+0.83=
①4.952-1.752÷0.73
②69÷0.125÷8
③31.14÷(3.46×5)
2.9494…≈
≈
0.999…≈
12.5757…≈
9.0505…≈
△=,○=。
□+○+△=
数学问题:
□○□=□( )