4.8×100.1=4.8×+4.8×
6.5+a+3.5=+(3.5+)
25×c×32=×( 25×)
600÷x÷y=600÷(×)
17×62+17×37+17=×(++)
1-0.25= |
3.4+1.6= |
4.3-0.8 |
16.5-4.72-5.28
3.27+5.84= 4.75×1000= 395×0= 7.8+1.6=
35÷100= 100÷8= 25×32= 360÷18=
22×10= 7.23-1.34= 1.2-0.5= 0.4÷100=
①12.3+4.12=
②23.5-2.8=
③20-3.65=
④3.8+1.4-2.35
⑤18.3-3.6-4.4
⑥6.24-(2.19+1.86)
42×50= 0.6-0.37= 5.6÷100×10= - =
25×8= 0.85+4.7= 1-0.06= + =