问题
解答题
脱式计算.
①(710+190)×7
②960÷6×4
③756÷7÷6
④128+840÷6.
答案
①(710+190)×7
=900×7
=6300;
②960÷6×4
=160×4
=640;
③756÷7÷6
=108÷6
=18;
④128+840÷6
=128+140
=268.
脱式计算.
①(710+190)×7
②960÷6×4
③756÷7÷6
④128+840÷6.
①(710+190)×7
=900×7
=6300;
②960÷6×4
=160×4
=640;
③756÷7÷6
=108÷6
=18;
④128+840÷6
=128+140
=268.