口算: 5.5×2= | 9.6÷4.8=2 | 3-1.5×2= | 2×3.1= | 2.4×0.5= |
0.125×8-0.1= | 0.48÷6= | 6.4-4= | 0.6÷3+3= | 0.91÷13= |
3.25+0.75= | 9.9-0.9÷0.1= | 17×40= | 100-63= | 3.2+1.68= |
4.8÷8= | 0.5+0.5÷0.5= | 50×0.8= | 0.99÷33=0.03 | 4×7.5×2.5= |
4.5×0.1= | 2.4÷0.8= | (2.7-2.7)×3.5= | 1.3×7= | 2÷0.4= |
2.1×40÷10= | 2.8×0.4= | 14-7.4= | 1.92÷0.04= | 0.4×0.8= |
0.58+0.26= | 1.4×6= | 6.4÷4= | 4.98+0.62= | 1.7-0.47= |
5-0.05= | 2.5×3= | 3÷0.25= | 0.32×500= | 0.65+4.35= |
10-5.4= | 4÷20= | 3.5×200= | 1.5-0.06= | 0.75÷15= |
5.5×2= | 4×0.25= | 0.36+1.54= | 1.01×99= | 420÷35= |
25×12= | 135÷0.5= | 0.51÷17= | 32.8+19= | 5.2÷1.3= |
1.6×0.4= | 4.9×0.7= | 1÷5= | 6÷12= | 0.87-0.49= |
5.5×2=11 | 9.6÷4.8=2 | 3-1.5×2=0 | 2×3.1=6.2 | 2.4×0.5=1.2 |
0.125×8-0.1=0.9 | 0.48÷6=0.08 | 6.4-4=2.4 | 0.6÷3+3=3.2 | 0.91÷13=0.07 |
3.25+0.75=4 | 9.9-0.9÷0.1=0.9 | 17×40=680 | 100-63=37 | 3.2+1.68=4.88 |
4.8÷8=0.6 | 0.5+0.5÷0.5=1.5 | 50×0.8=40 | 0.99÷33=0.03 | 4×7.5×2.5=75 |
4.5×0.1=0.45 | 2.4÷0.8=3 | (2.7-2.7)×3.5=0 | 1.3×7=9.1 | 2÷0.4=5 |
2.1×40÷10=8.4 | 2.8×0.4=1.12 | 14-7.4=6.6 | 1.92÷0.04=48 | 0.4×0.8=0.32 |
0.58+0.26=0.84 | 1.4×6=8.4 | 6.4÷4=1.6 | 4.98+0.62=5.6 | 1.7-0.47=1.23 |
5-0.05=4.95 | 2.5×3=7.5 | 3÷0.25=12 | 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 |
5.5×2=11 | 4×0.25=1 | 0.36+1.54=1.9 | 1.01×99=99.99 | 420÷35=12 |
25×12=300 | 135÷0.5=270 | 0.51÷17=0.03 | 32.8+19=51.8 | 5.2÷1.3=4 |
1.6×0.4=0.64 | 4.9×0.7=3.43 | 1÷5=0.2 | 6÷12=0.5 | 0.87-0.49=0.38 |
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