B65 小学二年级数学上下册 三位数连加连减脱式练习计算题共32页1056题每页60题
三位数连加连减
1.916+321+71812.412+864+31223.430+535+359
2.694+265-69313.217+360-44624.199+241-51
3.465-451+30214.319-103+58425.113-108+772
4.680-448-11215.771-309-21326.467-239-227
5.768+837+84116.623+926+21027.906+116+961
6.834+157-58417.154+806-67128.509+227-389
7.458-317+84918.440-122+87029.406-350+836
8.815-164-46919.310-106-17030.333-311+893
9.267+562+60320.372+424+32531.712+772+773
10.215+342-19821.780+170-62532.478+148-284
11.455-297+23422.614-522+95833.503-421+452
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