口算.135+199=5×38-38=423-198=108-18×0=3.4十4.6-2.9=(79十21)÷20=0.093×100=0.7-0.47=4×125×8×25=1080÷18=320

题目简介

口算.135+199=5×38-38=423-198=108-18×0=3.4十4.6-2.9=(79十21)÷20=0.093×100=0.7-0.47=4×125×8×25=1080÷18=320

题目详情

口算.
135+199=5×38-38=423-198=108-18×0=
3.4十4.6-2.9=(79十21)÷20=0.093×100=0.7-0.47=
4×125×8×25=1080÷18=320÷80×0=450-350÷5=
题型:解答题难度:中档来源:不详

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.

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