2026年计算素养提升三年级数学下册北师大版第88页答案
1.直接写出得数。
680-360=
272+478=
165+25-170=
520+390=
116+107=
690-330-180=
175+370=
463-194=
762-(62+85)=
449-110=
981-106=
367+(100-67)=
160+279=
378+293=
629-130+80=
760-438=
814-304=
447-(347-27)=
195+305=
278+472=
350-75-45=

答案

680-360=320
272+478=750
165+25-170=20
520+390=910
116+107=223
690-330-180=180
175+370=545
463-194=269
762-(62+85)=615
449-110=339
981-106=875
367+(100-67)=400
160+279=439
378+293=671
629-130+80=579
760-438=322
814-304=510
447-(347-27)=127
195+305=500
278+472=750
350-75-45=230
2.脱式计算。
368+418-579
317-188+265
610-(365+242)
953-487-213
489-128+356
358-(192+98)

答案

368+418-579
=786-579
=207
317-188+265
=129+265
=394
610-(365+242)
=610-607
=3
953-487-213
=466-213
=253
489-128+356
=361+356
=717
358-(192+98)
=358-290
=68