1.列竖式计算。(带☆的要验算)
•523+77=
+
•187+23=
+
•375+86=
+
•255+45=
+
•118+36=
+
•153+471=
+
•185+177=
+
•675+225=
+
•157+284=
+
•133+777=
+
•257+349=
+
•549+167=
+
•483+192=
+
•176+174=
+
•496+128=
+
•137+349=
+
☆255+298= 验算:

☆152+748= 验算:

•523+77=
+
•187+23=
+
•375+86=
+
•255+45=
+
•118+36=
+
•153+471=
+
•185+177=
+
•675+225=
+
•157+284=
+
•133+777=
+
•257+349=
+
•549+167=
+
•483+192=
+
•176+174=
+
•496+128=
+
•137+349=
+
☆255+298= 验算:
☆152+748= 验算:
答案
523+77=600
523
+ 77
------
600
187+23=210
187
+ 23
------
210
375+86=461
375
+ 86
------
461
255+45=300
255
+ 45
------
300
118+36=154
118
+ 36
------
154
153+471=624
153
+ 471
------
624
185+177=362
185
+ 177
------
362
675+225=900
675
+ 225
------
900
157+284=441
157
+ 284
------
441
133+777=910
133
+ 777
------
910
257+349=606
257
+ 349
------
606
549+167=716
549
+ 167
------
716
483+192=675
483
+ 192
------
675
176+174=350
176
+ 174
------
350
496+128=624
496
+ 128
------
624
137+349=486
137
+ 349
------
486
☆255+298=553
验算:
255
+ 298
------
553
验算:
298
+ 255
------
553
☆152+748=900
验算:
152
+ 748
------
900
验算:
748
+ 152
------
900
523
+ 77
------
600
187+23=210
187
+ 23
------
210
375+86=461
375
+ 86
------
461
255+45=300
255
+ 45
------
300
118+36=154
118
+ 36
------
154
153+471=624
153
+ 471
------
624
185+177=362
185
+ 177
------
362
675+225=900
675
+ 225
------
900
157+284=441
157
+ 284
------
441
133+777=910
133
+ 777
------
910
257+349=606
257
+ 349
------
606
549+167=716
549
+ 167
------
716
483+192=675
483
+ 192
------
675
176+174=350
176
+ 174
------
350
496+128=624
496
+ 128
------
624
137+349=486
137
+ 349
------
486
☆255+298=553
验算:
255
+ 298
------
553
验算:
298
+ 255
------
553
☆152+748=900
验算:
152
+ 748
------
900
验算:
748
+ 152
------
900
2.比一比。
736+717○950
382+247○608
123+637○595
489+368○836
547+388○752
427+361○733
537+243○706
314+676○782
132+449○686
283+492○653
483+617○836
169+682○855
736+717○950
382+247○608
123+637○595
489+368○836
547+388○752
427+361○733
537+243○706
314+676○782
132+449○686
283+492○653
483+617○836
169+682○855
答案
736+717>950
382+247>608
123+637>595
489+368>836
547+388>752
427+361>733
537+243>706
314+676>782
132+449<686
283+492>653
483+617>836
169+682<855
382+247>608
123+637>595
489+368>836
547+388>752
427+361>733
537+243>706
314+676>782
132+449<686
283+492>653
483+617>836
169+682<855
登录