怎么样简便怎么算?1.7.36-(2.36+3.79) 2.28.5×1+2.85×90 3.54÷1.2÷5-5 4.33.7-2.7×2-4.6

来源:学生作业帮助网 编辑:六六作业网 时间:2024/12/27 02:43:33
怎么样简便怎么算?1.7.36-(2.36+3.79)2.28.5×1+2.85×903.54÷1.2÷5-54.33.7-2.7×2-4.6怎么样简便怎么算?1.7.36-(2.36+3.79)2.

怎么样简便怎么算?1.7.36-(2.36+3.79) 2.28.5×1+2.85×90 3.54÷1.2÷5-5 4.33.7-2.7×2-4.6
怎么样简便怎么算?1.7.36-(2.36+3.79) 2.28.5×1+2.85×90 3.54÷1.2÷5-5 4.33.7-2.7×2-4.6

怎么样简便怎么算?1.7.36-(2.36+3.79) 2.28.5×1+2.85×90 3.54÷1.2÷5-5 4.33.7-2.7×2-4.6
1.7.36-(2.36+3.79)=(7.36-2.36)-3.79=5-3.79=1.21
2.28.5×1+2.85×90=2.85x10+2.85x90=2.85x(10+90)=285
3.54÷1.2÷5-5=54÷(1.2x5)-5=54÷6-5=4
4.33.7-2.7×2-4.6=33.7-(2.7x2+4.6)=33.7-10=23.7