问题
解答题
口算.
|
答案
135+199=334, | 5×38-38=152, | 423-198=225, | 108-18×0=108, |
3.4十4.6-2.9=7.1, | (79十21)÷20=5, | 0.093×100=9.3, | 0.7-0.47=0.23, |
4×125×8×25=100000, | 1080÷18=60, | 320÷80×0=0, | 450-350÷5=380. |
口算.
|
135+199=334, | 5×38-38=152, | 423-198=225, | 108-18×0=108, |
3.4十4.6-2.9=7.1, | (79十21)÷20=5, | 0.093×100=9.3, | 0.7-0.47=0.23, |
4×125×8×25=100000, | 1080÷18=60, | 320÷80×0=0, | 450-350÷5=380. |