1、(北师大版)-三年级上册数学练习三四、乘与除口算乘法整十整百整整十整百整千乘一位数千乘一位数两位数两位数乘一位乘一位数数口算除法整十整百整整十整百整千除以一位千除以一位数数两位数除两位数除以一位数以一位数口算口算160460739326386218590038444004810924068074056090160042043270090137821401044064244024646490330632302323224320360431260127272(张)(张)993 33(本)(本)9033093330333被乘数被乘数=积乘数积乘数被除数被除数=商除数商除数乘数乘数=积被乘数积被乘数3
2、0120124820180436=69=48=72=80=300=22=31=80210212100821680216080021600728=97208=9072008=90070770018421832074(个)(个)74(个)(个)(1)苹果:)苹果:174 68(元)(元)梨:梨:156 90(元)(元)(2)17351(元)(元)153 45(元)(元)51+45=96(元)(元)或:或:17+15=32(元)(元)323 96(元)(元)爸爸:爸爸:143 42(岁)(岁)妈妈:妈妈:142+10 38(岁)(岁)100-7=100-7=9 93(3(元元)9 93 33 3=3 31(1(元元)(100-7100-7)3 3=3 31(1(元元)36363 3=12(12(元元)松树:松树:40404=4=10(10(元元)10-8=10-8=2(2(元元)6棵柏树:棵柏树:126 72(元)(元)100-72=100-72=28284=4=2 28(8(元元)7(7(元元)或:或:100-100-126=2828(元元)