直接写得数 8.6+4= 0.35÷0.7= 6.5×0.2= 0.7×0.9= 7.2+2.8= 0.96÷0.03= 12×2.5= 8.4÷4.2=
直接写得数8.6+4=0.35÷0.7=6.5×0.2=0.7×0.9=7.2+2.8=0.96÷0.03=12×2.5=8.4÷4.2=1.4×5=1.68÷0.3=3...
直接写得数 8.6+4= 0.35÷0.7= 6.5×0.2= 0.7×0.9= 7.2+2.8= 0.96÷0.03= 12×2.5= 8.4÷4.2= 1.4×5= 1.68÷0.3= 3.1×0.03= 27+456+73= 1÷0.25= 7.2×0.3= 0.99+1.8= 1.2÷3= 2.3+1.9= 7.6÷4= 0.3×0.02= 2.87÷0.7=
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8.6+4=12.6; | 0.35÷0.7=0.5; | 6.5×0.2=1.3; | 0.7×0.9=0.63; | 7.2+2.8=10; |
0.96÷0.03=32; | 12×2.5=30; | 8.4÷4.2=2; | 1.4×5=7; | 1.68÷0.3=5.6; |
3.1×0.03=0.093; | 27+456+73=556; | 1÷0.25=4; | 7.2×0.3=2.16; | 0.99+1.8=2.79; |
1.2÷3=0.4; | 2.3+1.9=4.2; | 7.6÷4=1.9; | 0.3×0.02=0.006; | 2.87÷0.7=4.1. |
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