直接写出得数
(1)6-1= | (2)3.25+1= | (3)270+0.03= | (4)0.1+1.25= | (5)3.08-3.08+3.08= |
(6)0.8+4++5= | (7)99×101-99= | (8)(10+0.8)×125= | (9)7-(3-2)= | (10)×5÷×5= |
求未知数.
x-5=10 | 0.75X+3×0.8=7.5 | =8:. |
(1)6-1= | (2)3.25+1= | (3)270+0.03= | (4)0.1+1.25= | (5)3.08-3.08+3.08= |
(6)0.8+4++5= | (7)99×101-99= | (8)(10+0.8)×125= | (9)7-(3-2)= | (10)×5÷×5= |
求未知数.
x-5=10 | 0.75X+3×0.8=7.5 | =8:. |