三升四数学暑假《口算》练习题
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简介
3×5-15= 25+2×8= 37-27+45= 4×7+2= 25÷5= 4×4-15= 6×5= 40-27+20= 2×3+3= 89+4-14= 21÷3+88= 8×5-35= 9×1+10= 80-44+28= 32-49÷7= 6×2+2= 8×7+2= 5×8+40= 7×8-50= 46+54-78= 7×9+8= 77-45+25= 12÷2= 3×1+88= 380+430= 1×9+10= 8×9-2= 3×9-3= 15÷5= 64÷8-6= 3×4-12= 3×8+25= 5÷5= 78-52+12= 3300+1900= 2×5-8=
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