300×60 =
21×70 =
24×200 =
140×70 =
11×500 =
400×32 =
29×201 ≈
68×298 ≈
96×125×8
96÷[(8+4)×2]
18.86+12.7﹣8.86
45×99+45
500÷125÷8
16×125
2.09×1000=
9÷1000=
200÷25=
32×99×0=
0.54÷10×100=
125×16=
102×33=
5×5÷5×5=
45.1>45.16 5.0<5.069<.1
9>>8.96 23<<23.1
①8×2.5×0.125÷
②(+﹣)×24
③6.5÷×
④(+)×+
⑤4×(﹣)×9
⑥÷7+×