题目内容
脱式计算。
|
(1)原式=(3+5)-(2+1) =9-4 =5 |
(2)原式=(9+)×4 =10×4 = 42.5 |
(3)原式=(1+2)÷ =×2 =7 |
(4)原式=2.25×+2.75×+60% =(2.25+2.75+1)× =3.6 |
(5)原式=9.81×(0.1+5+4.9) =98.1 |
(6)原式=(6-3)÷(13+11) =÷24 = |
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题目内容
脱式计算。
|
(1)原式=(3+5)-(2+1) =9-4 =5 |
(2)原式=(9+)×4 =10×4 = 42.5 |
(3)原式=(1+2)÷ =×2 =7 |
(4)原式=2.25×+2.75×+60% =(2.25+2.75+1)× =3.6 |
(5)原式=9.81×(0.1+5+4.9) =98.1 |
(6)原式=(6-3)÷(13+11) =÷24 = |