直接写得数:68÷4=______; 840÷4=______; 220×4=______; 180÷3=______; 480÷3=______;
直接写得数:68÷4=______;840÷4=______;220×4=______;180÷3=______;480÷3=______;9000÷3=______;3...
直接写得数:68÷4=______; 840÷4=______; 220×4=______; 180÷3=______; 480÷3=______; 9000÷3=______; 3×500=______; 1800÷3=______; 70÷5=______; 360÷5=______; 360×0=______; 4500÷5=______; 91÷7=______; 280÷2=______; 200×9=______; 0÷180=______.
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解:68÷4=17; | 840÷4=210; | 220×4=880; | 180÷3=60; |
480÷3=160; | 9000÷3=3000; | 3×500=1500; | 1800÷3=600; |
70÷5=14; | 360÷5=72; | 360×0=0; | 4500÷5=900; |
91÷7=13; | 280÷2=140; | 200×9=1800; | 0÷180=0. |
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