17×40=680, 100-63=37,
3.2+1.68=4.88, 2.8×0.4= 1.12
14-7.4=6.6, 1.92÷0.04=48,
0.32×500=160, 0.65+4.35= 5
10-5.4=4.6, 4÷20=0.2,
3.5×200=700, 1.5-0.06=1.44
0.75÷15=0.05, 0.4×0.8=0.32,
4×0.25=1, 0.36+1.54=2
1.01×99=99.99, 420÷35=12,
25×12=300, 135÷0.5=270
五年级下册数学20道口算题 扩展
7.2+2.8= 78×100=
0÷150= 32÷0.4=
1300×300= 2.6×100=
150÷15= 32×0.4=
2600÷100= 32.8÷8=
1.64÷4= 300÷60=
18×700= 400÷80=
64÷4= 360÷20=
420÷70= 9×4=
540÷90= 74÷2=
五年级下册数学20道口算题 扩展
0.75×100= 5.6÷100= 2.5×4=
10-9.25= 0.06×1.5= 0.3÷0.5=
0.7×0.8= 0.1÷0.01= 2.1÷0.7=
1-0.34= 0.175+0.25= 8×0.125=
5.6+3.8= 0.62-0.32= 0.02×0.5=
0.75÷0.25= 16.8÷4= 0.1÷100=
6.3÷0.9= 0.25×8= 0.04×2.5=