人教版二年级上册数学第四单元测试题及答案
人教版二年级上册数学第四单元测试题及答案一.口算。(12分)3×6=4×2=5×6=2×6=4×5=5×3=6×4-7=5×4+9=5×3-2=2×5+6=4×3-2=6×4-8=二.填空。(31分)1.5+5+5+5=(),在这道算式中,相同加数是(),相同加数的个数是(),把它改写成乘法算式是()或()。2.一道乘法算式的两个乘数都是3,这道乘法算式列式为(),再加上7等于()。3.3个6相加,写成乘法算式是()或()。4.4×5=20读作(),在这道算式中,()和()是乘数,()是积。5.把口诀补充完整。二三()三四()五五()()五十五三()十八二()一十()四十六()六三十六7.想一...
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