Question

五年级上册数学书125页13 题和14题

Answer 1

1.83+2.7=4.57 2.73×1.5=4.095

28.5÷15=1.9 8.3-2.63=5.67

5.5×17.3+6.7×5.5=132

3.8+4.29+2.1+4.2=14.39

x÷1.44=0.4 3.85+1.5x=6.1 6x-0.9=4.5

x÷1.44×1.44=0.4×1.44 1.5x+3.85-3.85=6.1-3.85 6x-0.9+0.9=4.5+0.9

x=0.576 1.5x=2.25 6x=5.4

x=2.25÷1.5 x=5.4÷6

x=1.5 x=0.9