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题型:填空题 题类: 难易度:普通
【2022.09.22】重庆二外六年级选拔七
①258-168+136=
②275+345-134=
③820-278+543=
④358+531-214=
⑤785-436-115=
①402+128+320
②320-160+285
③572-(810-620)
④538-(120+230)
⑤392+118-360
⑥680-132+250
①*294+346=
②* 405-197=
③34÷4=
④43+473=
⑤1000-708
⑥720-428+589=
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