一年级50以内减法口算练习题五三天天练精华版（4）带答案.docx

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1、43-30=41-21 =48-29 =43-15 =41-20=42-38 =47-37 =44-16=41-31 =46-34=49-16=49-17=50-33=41-19=41-25=45-39=46-33 =43-35 =42-21 =47-23 =49-27=48-19=44-18 =50-15 =50-40=43-26=42-11 =46-21 =42-24=46-24=44-25=42-21 =49-13=42-10= 45-11 =43-24=46-34= 45-33 =47-27 = 43-10=44-13 = 44-33 =50-18 =42-13 =50-13 =46-

2、38 =49-14=41-35 =48-38 =50-15 =42-14=45-17 =49-39=45-32 =48-14=45-39 =50-36=44-15=50-29=50-11 =45-38=50-16=44-31 =41-10=44-30=45-30=48-38=46-10=42-35 =44-19=49-37 =44-17 =44-38=42-19=47-16=44-15 =46-22 =45-33 =48-37 = 43-39=42-34=42-15 =50-32 = 48-26=48-11 =48-21 = 49-40=46-11 =47-22 =50-11 =43-20=4

3、2-30=48-10=44-10=42-34=43-38=44-21 =45-24=48-40=46-15 =44-36=41-13 =50-40=50-29=42-30=42-22 =43-30=41-30=45-12 =49-27=47-16=45-28=44-29=49-15 =49-15=42-13 =41-39=43-11 =46-11 =44-26=46-25 =42-24=43-13 =47-35 =41-11 =47-32 =49-30=48-35 =45-10=48-26=45-32 =47-23 =44-12 =47-26=43-30=1341-21=2048-29 = 1

4、943-15=2841-20=2142-38=447-37 = 1044-16=2841-31 = 1046-34=1249-16=3349-17=3250-33 = 1741-19=2241-25=1645-39=646-33=1343-35=842-21=2147-23=2449-27=2248-19=2944-18=2650-15=3550-40=1043-26=1742-11=3146-21=2542-24=1846-24=2244-25 = 1942-21=2149-13=3645-11 = 3443-24=1946-34=1245-33 = 1247-27=2043-10=3344

5、-13 = 3144-33 = 1150-18=3242-13=2950-13=3746-38=849-14=3541-35=648-38 = 1050-15=3542-14=2845-17=2849-39 = 1045-32 = 1348-14=3445-39=650-36=1444-15=2950-29=2150-11=3945-38=750-16=3444-31 = 1341-10=3144-30=1445-30=1548-38=1046-10=3642-35=744-19=2549-37=1244-17=2744-38=642-19=2347-16=3144-15=2946-22=24

6、45-33 = 1243-39=442-34=842-15=2750-32 = 1848-26=2248-11=3748-21=2749-40=946-11=3547-22=2550-11=3943-20=2342-30=1248-10=3844-10=3442-34=843-38 = 544-21=2345-24=2148-40=846-15=3144-36=841-13=2850-40=1050-29=2142-30=1242-22=2043-30=1341-30=1145-12=3349-27=2247-16=3145-28=1744-29=1549-15=3449-15=3442-13=2941-39=243-11=3246-11 = 3544-26=1846-25=2142-24=1843-13=3047-35 = 1241-11 = 3047-32 = 1549-30=1948-35 = 1345-10=3548-26=2245-32 = 1347-23=2444-12=3247-26=21