3.3乘以四分之三+0.75乘以5又十分之七+0.75thannk

网友回答

=3.3*0.75+0.75*5.7+0.75
=0.75*（3.3+5.7+1）
=0.75*10
=7.5======以下答案可供参考======
供参考答案1:
3.3*3/4+0.75* 5 7/10+0.75
=3.3*0.75+0.75*5.7+0.75
=0.75*(3.3+5.7+1)
=0.75*10
=7.5供参考答案2:
3.3x3/4+0.75X(5+7/10)+0.75
=0.75(3.3+ 5+7/10+1 )
=0.75x10
=7.5供参考答案3:
3.3*(3/4)+(3/4)*(5.7)+(3/4)
解，得：==(3/4)(3.3+5.7+1)
==(3/4)*10
==7.5供参考答案4:
3.3x0.75 0.75x5.7 0.75x1=(3.3 5.7 1)x0.75=7.5