四年级数学上册口算基础85Word下载.docx
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7=75÷
5=680+70=460+10=
350÷
70=21×
6=3×
10=6×
60×
2=200×
3=57-22=72-21=
250÷
50=480÷
8=340+60=720-40=
6×
25=18×
90=4×
40=7×
50=
450÷
50=330÷
3=90-13=84-43=
28×
4=26÷
2=520+90=260-30=
140÷
20=24×
5=9×
30=5×
10=
30×
8=160×
7=92-28=95-43=
50=420÷
7=630+80=410+90=
9×
23=16×
50=3×
40=2×
320÷
80=720÷
3=67-25=92-29=
6=65÷
5=330+80=640-40=
810÷
90=20×
8=9×
50=8×
4=170×
2=81-32=95-13=
6=710+70=270-90=
3×
18=18×
80=
200÷
40=960÷
4=74-43=57-25=
27×
9=76÷
4=910+10=420-80=
540÷
60=16×
5=6×
70=4×
10×
5=120×
9=84-11=85-41=
490÷
70=150÷
5=700+30=690+40=
18=21×
70=3×
40=400÷
2=66-39=95-13=
15×
3=64÷
4=910+10=220+10=
630÷
90=29×
6=7×
4=190×
9=74-16=95-27=
60=320÷
8=170-50=340+70=
2×
24=10×
50=4×
30=7×
50=720÷
3=77-29=86-21=
17×
9=24÷
2=750+60=540+70=
120÷
20=19×
3=6×
70=8×
60=
50×
6=120×
3=97-12=62-42=
90=720÷
9=710+70=150-40=
12=16×
90=8×
20=3×
210÷
30=320÷
2=72-20=70-22=
6=51÷
3=160+20=510+70=
480÷
80=13×
2=5×
90=3×
20×
6=150×
2=86-47=70-28=
60=240÷
6=760+60=320-50=
4×
26=21×
50=7×
70=2×
70=400÷
4=59-37=86-13=
23×
5=90÷
5=380-70=820+20=
100÷
20=22×
9=5×
50=9×
2=120×
4=71-20=73-37=
70=420÷
7=450+40=100+90=
10=30×
10=2×
10=3×
20=
40=680÷
4=85-22=99-25=
19×
6=80÷
5=490+80=220-30=
60=20×
40=9×
4=110×
6=77-40=95-26=
40=320÷
4=550-60=360-30=
10=8×
70=280÷
2=58-10=86-31=
2=26÷
2=420+70=880-10=
360÷
40=18×
2=7×
80=3×
7=110×
8=89-38=57-22=
70=350÷
5=340-70=250+50=
23=12×
80=6×
80=880÷
4=59-11=69-37=
25×
4=60÷
4=820-20=960-10=
720÷
5=3×
50=2×
9=110×
9=87-29=97-45=
8=290-60=520+70=
24=24×
50=5×
90=460÷
2=76-14=72-13=
8=30÷
2=370+80=520+90=
180÷
20=15×
7=5×
2=190×
4=89-31=95-16=
280÷
40=160÷
4=800-20=740-20=
5×
15=29×
60=9×
70=300÷
2=56-18=59-33=
9=30÷
3=240-10=140-90=
30=13×
5=8×
3=110×
4=65-27=56-34=
70=360÷
4=290+40=460+20=
19=25×
60=4×
40=4×
90=
50=280÷
2=67-44=79-49=
6=36÷
3=330+10=290+10=
70=19×
70×
2=170×
4=55-41=59-40=
60=400÷
8=900-80=730-60=
17=23×
20=5×
20=6×
80=480÷
2=71-42=75-42=
29×
2=45÷
3=220+30=790+10=
60=23×
3=9×
5=66-15=66-39=
60=560÷
8=850+90=670-10=
10=24×
20=8×
70=380÷
2=92-37=54-19=
22×
8=85÷
5=200-10=430-50=
30=21×
2=2×
5=200×
9=72-36=87-46=
150÷
50=320÷
4=410+40=910-20=
13=13×
60=3×
60=330÷
3=76-30=58-14=
9=51÷
3=800+40=510+10=
50=27×
8=4×
5=190×
5=64-26=82-18=
50=210÷
7=580-10=690+90=
8×
28=30×
80=4×
30=540÷
3=81-40=85-22=
8=54÷
3=510+20=620+80=
40=19×
4=9×
20=7×
8=61-12=69-24=
70=720÷
9=860-90=270+70=
24=22×
40=260÷
2=86-30=82-44=
2=330+30=310-80=
70=20×
7=7×
3=59-43=81-21=
50=450÷
9=340+70=850+60=
22=15×
50=680÷
4=55-45=72-28=
4=57÷
3=660-20=220-60=
60=27×
9=7×
3=150×
8=93-25=67-23=
640÷
80=210÷
7=450-90=940+50=
40=6×
80=690÷
3=58-33=65-33=
3=60÷
4=470-70=720-40=
40=27×
8=5×
2=63-26=75-31=
80=810÷
9=650-10=810-60=
15=18×
30=8×
90=6×
60=920÷
4=79-30=85-13=
2=760-80=190-50=
70=24×
9=4×
20=9×
8=140×
2=53-46=50-49=
60=250÷
5=700-40=540+90=
60=520÷
4=70-30=52-38=
6=85÷
5=130+50=870-40=
80=25×
4=6×
6=200×
4=56-34=65-30=
60=280÷
7=130+70=870-60=
90=7×
70=960÷
4=83-33=66-43=
3=160-20=460+60=
80=23×
4=2×
80=2×
7=140×
7=93-31=69-23=
5=290-60=610+50=
13=27×
30=4×
4=69-29=80-24=
8=20÷
2=760+20=780+80