4x-3×8=12 x:6=2.5:1.5
10-1.01=
0.9÷90%=
20×25%=
3.14×9=
①=
②=
③=
④=
⑤=
⑥=
⑦59×41≈
⑧632÷69≈
0.52-0.42=
5÷20%=
5m:35cm(求比值)=
①x÷25%=4
②
③4x﹣2.4x=1.6
3x-0.5=1.6
803-207= ÷5= 798+150= + =
0.25×8= 1.5- = 7.5÷ = 0.77+0.3=
9.8-8= × = 45.54÷45= 24× =